
Sengoku Daimyo's Chronicles of Japan
UNESCO World Heritage: Asuka and Fujiwara Ancient Capitals
This is a special episode talking about the newest UNESCO World Heritage cultural site: The Asuka and Fujiwara Ancient Capitals. This is particularly relevant as it is directly related to the history we are currently examining in this podcast. For more information, check out the blogpost at: https://sengokudaimyo.com/podcast/episode-UNESCO Rough Transcript: Welcome to Sengoku Daimyo's Chronicles of Japan. My name is Joshua, and this is a special episode on Japan's newest UNESCO world heritage site: the Ancient Capitals of Asuka and Fujiwara. Rarely do I focus too much on current events in this podcast. After all, we are still dealing with the events of the 7th century, and that is hardly "current" in any sense. However, just last month, at the end of July 2026, the UNESCO World Heritage Convention met and made a ruling on inducting the Ancient Capitals of Asuka and Fujiwara as one of the newest World Heritage sites. Given the obvious relevance of this to this podcast, I thought it was worth talking about. As such we'll go into a little history of the UNESCO world heritage convention, what it means, and how sites get added—or even removed—from the list. And then we'll talk about the addition of the Ancient Capitals of Asuka and Fujiwara, what is included in that description, and what part those various locations play in the story of Japan's history, which we've been laying out for the past several years. Warning up front: This is probably going to be a longer episode than usual, as there is a lot to cover, but it still didn't seem to make sense to break it up into two parts. Before we get into the background of UNESCO more generally, let's talk briefly about the news. The Ancient Capitals of Asuka and Fuijwara had been on UNESCO's tentative list since 2007, and following an on-site evaluation in September of 2025, the International Council on Monuments and Sites, or ICOMOS, made a recommendation in June 2026 that the property be inscribed on the World Heritage list. On 26 July, 2026, the UNESCO World Heritage Committee met in Busan, South Korea and accepted the recommendation. This becomes Japan's 22nd cultural World Heritage site, and the 27th World Heritage property in Japan, since the World Heritage program is also inclusive of natural heritage sites, such as Yakushima, Amami-Ohoshima, the Ogasawara islands, and the mountainous regions of Shirakami-Sanchi, and Shiretoko, in Hokkaido. The recommendation for Asuka and Fujiwara was not just for a single site, but includes 19 individual sites and over 1,100 hectares of "buffer zone". The individual sites are listed on the UNSECO World Heritage website as follows: • Asuka Palace Site • Asuka Pond Garden Site • Asuka Water Clock Site • Sakafuneishi Ritual Site • Asuka-dera Temple Site • Tachibana-dera Temple Site • Yamada-dera Temple Site • Kawara-dera Temple Site • Hinokuma-dera Temple Site • Ishibutai Mounded Tomb • Shobuike Mounded Tomb • Kengoshizuka Mounded Tomb • Fujiwara Palace Site • Daikandaiji Temple Site • Motoyakushiji Temple Site • Mounded Tomb of Emperor Temmu and Empress Jito • Nakaoyama Mounded Tomb • Kitora Mounded Tomb • Takamatsuzuka Mounded Tomb So these are the specific locations, that were included in the single designation. And these are how they are officially listed on the UNESCO World Heritage site in English, so for anyone who is going to comment that saying Asuka-dera Temple is redundant, because "Tera" already means "Temple", let's just not, shall we? They are all in the Asuka and Kashihara area, and easily accessible, one from the other, so you can go and visit them if you would like. I suspect that there is going to be a bit of push for that area in the coming tourist season as they now put up official UNESCO world heritage site markers. And you may have noticed that a lot of these site names may sound very familiar, because the majority of them are places we've already mentioned on the podcast – but more on that later. But first, what does it mean to be a UNESCO World Heritage Site? UNESCO is the "United Nations Educational, Scientific and Cultural Organization". It was founded in 1945, with the stand-up of the UN itself, as a successor to the League of Nations' International Committee on Intellectual Cooperation. That said, the idea of a "World Heritage Site" didn't come about until 1975, with the Convention Concerning the Protection of the World Cultural and Natural Heritage, with the first sites being designated in 1978. Prior to this, UNESCO had been involved in various attempts to help preserve various monuments of historical significance. They begin working with various museums and other organizations, and in 1965 UNESCO created ICOMOS, an international professional association to work towards the conservation and protection of cultural heritage. A site designated as a World Heritage Site must be considered to be of "outstanding universal value" and can fall under one of two categories. The first, and perhaps the one that most often comes to mind, are the cultural sites. The second are natural sites considered of outstanding value. With the 1975 convention, UNESCO had leaned heavily on ICOMOS as an advisory body regarding sites of particular cultural significance. A similar body, the World Conservation Union, provides input on sites of natural significance. To be determined a World Heritage site, there is a set of ten criteria, and a site must meet at least one of the ten. This means that a site must: i. Represent a masterpiece of human creative genius ii. Exhibit an important interchange of human values iii. Bear a unique or at least exceptional testimony to a cultural tradition or to a civilization iv. Illustrate a significant stage in human history v. Be an outstanding example of a traditional human settlement, land-use, or sea-use vi. Be directly or tangibly associated with events or living traditions, with ideas, or with beliefs, with artistic and literary works of outstanding universal significance; or it must vii. Contain superlative natural phenomena viii. Be an outstanding example representing major stages of earth's history ix. Be an outstanding example representing significant on-going ecological and biological processes in the evolution and development of ecosystems and communities of plants and animals; or it must x. Contain the most important and significant natural habitats for conservation of biological diversity. I abbreviated that list, but it gives you an idea of what the committee is looking for. To be placed on the list, a site must first be nominated. Nominations are made by UN member countries and placed on a Tentative List. From there, they can be selected into a Nomination File, which is then evaluated by the advisory organizations as appropriate. The World Heritage committee meets once a year, at which time they may determine whether a nominated site will be added to the World Heritage list or if more information is needed. Having a site listed as an UNESCO world heritage site carries prestige and can drive tourism and revenue to help protect the site. Members can request financial assistance with some conservation projects, and signatory nations are expected to contribute to the conservation of world heritage sites. At the same time, the host country is expected to provide regular reports on the conditions of the site and efforts being undertaken to conserve it. Should the situation change so that key aspects of the site's intrinsic value are lost, the World Heritage Committee may choose to revoke a designation. This has only been done a few times, but it is always a possibility. All of this means that the Asuka and Fujiwara capital sites are now eligible for certain types of financial assistance and international aid to help further preserve and even restore certain aspects, such as the tomb murals in the Takamatsuzuka and Kitora kofun. But let's talk about the sites that have actually been included, and to do that, we'll go through in roughly chronological order, based on the timeline that was given by Japan in the nomination documents, and what makes the most sense for narrative cohesion. That said, it is important to note that the dates on the timeline in the UNESCO nominating document are where we first see mentions of the monuments, not necessarily when the temples were first constructed or anything like that. If you want to learn more, check out the documentation submitted on the UNESCO world heritage website. And speaking of learning more, many of the sites we are about to discuss we have covered in previous episodes—though some more than others. We'll call out relevant episodes as we can, but you can also find out more by searching on our website, sengokudaimyo.com , for more information about any of these topics. Let's start with Asukadera, or Asuka Temple. The nominating document notes that it was completed in 596, though it had been started quite a bit earlier. We discussed Askua-dera and many of the other temples back in episode 142, though Asuka-dera itself has been a part of the story since at least Episode 92, with the rise of Soga no Umako. Asuka-dera, as you may recall, started off as a private temple for the Soga family, though they were so intertwined with the royal family that it almost didn't make a difference. For the longest time it was the primary temple site at least in the Asuka region, and defined what Buddhism looked like early on. Later it would be included as one of the Four Great Temples, and it would eventually move to Nara, though a temple would continue to operate on the site until the modern day. That said, through fires and reduced patronage, the current temple is much reduced from its former glory. Still, archeologies have found indications at the site demonstrating the true extent of the temple at the height of its power and influence, and how it truly played a key role in numerous events surrounding the building of a continental style state government. Speaking of the Soga family, the next site on the list, dated to 626, is Ishibutai kofun. Ishibutai kofun was originally a square kofun, or Houfun, thought to be the resting place of Soga no Umako, the Grand Minister and head of the Soga family who led it to prominence in the age of Kashikiya Hime, aka Suiko Tenno. We talked about his passing in episode 103. Excavations have suggested that the tomb took up an area about 85 meters to a side. This included an outer moat and an inner, platform, about 50 meters square. The burial chamber is a horizontal stone chamber created with impressive megaliths—a fancy word that just means "big stones". In this case we are talking about stones that rival or even dwarf those at monuments like the famous Stonehenge, in England. The stones are part of what give it its name, Ishibutai, or Stone Stage, because unlike in other kofun, these ones are exposed. There is a theory that after the fall of the Soga family, and the deaths of Soga no Iruka and Soga no Emishi, the tomb was deliberately uncovered as a form of posthumous punishment. Because it is not a tomb under the care of the Imperial Household Agency, Ishibutai kofun has seen extensive excavation from 1933 to 1975. That said, most of the funerary goods were likely stolen a long time ago. There were some various bits and pieces found here and there—gilt and bronze implements and earthenware shards, but otherwise nothing truly significant. They did find evidence of other tombs, nearby. Perhaps ironically it seems that these other tombs were leveled to make room for Ishibutai kofun, making its own uncovering feel somewhat karmic, in a way. The next site, if we were to follow the timeline, is the Asuka Palace site. This actually encompasses the site of at least four different palaces, which we discussed back in episode 134, with a blogpost showing the various palace remains, if you want to compare them. In 630 we have the construction of the Okamoto Palace of Kashikiya Hime. Then, in 643, we have the Itabuki Palace built for Takara Hime during her first reign as Kogyoku Tenno. This was the location of the famous Isshi Incident, when Takara Hime's son, Naka no Oe, instituted the coup against Soga no Iruka and his father, killing Iruka in court in front of his mother. For more on that, check out episode 106. It was later used when she and Naka no Oe left the Toyosaki Naniwa Palace and returned to Asuka. It may be during the time of the Itabuki Palace that another one of the monuments was built. This is the Shobuike Kofun. The nomination document doesn't give a precise date for this one, and we really only know for certain that it was built in the 7th century, but they place it on the timeline shortly after the events of 643. Like Ishibutai kofun, it is a hofun, or square kofun, surrounded by a moat with a horizontal burial chamber. At only 30 meters long, it is not as large or as prominent as Ishibutai Kofun, possibly indicating that the occupants were not as prominent or that kofun building as a whole was falling out of fashion. Inside, there were two stone coffins, in the "house shape", meaning the lid had a peaked roof appearance. In addition, the interior of the coffins was lacquered, making these unique in the archipelago. Finally, perhaps as is the case with Ishibutai kofun, the mound appears to have been deliberately dismantled at some point in the early 8th century, when Fujiwara-kyo was still the capital. We do not know who was buried at Shobuike Kofun, but there are two theories. One theory proposes that, given the unique features, it may have been a member of the royal family. Another theory suggests that it may be a tomb for members of the Soga family. This theory is connected to the idea that Ishibutai is the tomb of Soga no Umako. Given its shape and similarities, perhaps this tomb is for a relative? In addition, though not part of the World Heritage Site nomination, there is a nearby square kofun known as Koyamada Kofun. There is a theory that this other tomb might also have been a royal tomb—perhaps even a first burial for Tamura no Ohokimi, aka Jomei Tenno. However, there is another theory that these two tombs, together, make up the tombs of Soga no Emishi and Soga no Iruka. That would explain them both being of similar shapes, and similar to the kofun thought to be that of Soga no Umako. It could also explain why Shobuike kofun was later destroyed, like with Ishibutai Kofun. Shortly after Shobuike Kofun was thought to have been built, the court moved to Naniwa for a time, before eventually returning to the Itabuki Palace. Then, in 656, we have the Nochi-no-Okamoto Palace, aka the Later Okamoto Palace, built after the Itabuki palace burned down. It was repurposed by Ohoama when he brought the court back from Ohotsu, and then expanded with the Ebinoko Enclosure, among other changes, turning it into the Kiyomihara palace, where Ohoama and then Uno no Sarara ruled until the completion of the Fujiwara Palace around 694. Around the same time as the Later Okamoto Palace was the construction of the Sakafuneishi Ritual Site. This site is located on a hill on the east side of the Asuka valley, overlooking the Asuka palace site. There they have found stone walls, a strange carved stone with channels for what appears to be water or liquid for some kind of ritual purpose, and, towards the bottom of the hill, a stone turtle basin and water spout that appears to have once been connected to a spring. Of all of the included sites, this is perhaps the most enigmatic in terms of how it was used and what was going on there. It is likely that this is what is referred to in the Chronicle as the Tou no Mine site, where it is said that they built an enclosure encircling two tsuki trees, calling the site the Futatsuki Palace. That said, today the name "tou-no-mine" is applied to a peak some distance further up the valley and into the mountains, and I do not believe that any concrete evidence of a "palace" has been found at either location. Still, it demonstrates that there was something going on that was important enough to build walls and create intricate stone carvings—not something we necessarily find everywhere, though they are particularly prolific in the Asuka region once you consider all the various stone carvings that have been located there. Current thinking seems to suggest that it was a site where sovereigns from Kashikiya Hime through Uno no Sarara conducted rites associated with ascension to the throne. The walls show evidence of being built earlier in the 7th century, which we discussed in Episode 118, and then damaged during the incredibly powerful Nankai earthquake during the Hakuho era. We talked about this earthquake back in episode 139, along with other natural disasters. This was an earthquake of immense power, known as a Nankai Megathrust Earthquake, that caused destruction across the archipelago, from Shikoku up through the Kanto region. Walls show evidence of being repaired in Temmu's time and the site appears to have been in use up through the 9th century. This means it was still being used in some capacity even after the court had moved up to Heian-kyo, in modern Kyoto, but who knows by whom. By the way, I feel like I should address something here. Often times there is a bit of an archaeological joke that if you don't know what something is it gets termed a "ritual site" or a "ritual implement". And, granted, "ritual" does not necessarily mean "religious". Brushing your teeth each day could be considered a ritual. So is the inauguration of a new president or prime minister. It just refers to something that we do regularly, usually as part of a societal tradition. Often it is symbolic, though sometimes it can have a greater function. So in all likelihood whatever was happening at the Sakafuneishi site probably was a kind of "ritual", whether it was religious or not, but we just don't have enough info to know what that might have looked like. The physical evidence does not conform to any other well known practice, so we are left guessing. Compare this to another "ritual" site, the next on our list: The Mizuochi site. When it was first discovered in 1972, it was clear that it was important. There was a large building foundation, in the shape of a square podium, faced with paving stones. It was also near to Asukadera and the location where various stone figures had been found at the turn of the century. It would take several more years to discern enough features to come to the realization of what it was for. This was due to the discovery of highly unusual features and artifacts. For instance, there is the central building, designated SB200. It had pillars set on base stones, forming a grid pattern in a square—four spans long on each side. This is unusual compared to other buildings on the site, which had more conventional pillars embedded in the ground. Each span of the pillars at SB200 was a uniform distance. The podium on which the building was placed was just under 11 meters on each side, and a little more than a meter in height. The pillar bases were further strengthened under the floor level, meaning that the resulting structure would have been remarkably sturdy. In the center of the building was a stone platform, set about a meter below the surface, where they found the remains of a large and small lacquered wooden boxes. Around the platform were buried wooden culverts and copper pipes, which would have been able to carry water to and from the site. There was nothing else like this discovered anywhere else, but given the nature of everything, it seemed to make sense that this was the site of the clepsydra, the water clock, which Naka no Oe is said to have built. Pottery shards from around the 650s and 660s seem to back up this identification, and simulations have demonstrated how the water clock may have actually worked. As such, the site seems to have been fairly well identified, which is really remarkable, and pro

