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Q.How large are Nara’s four World Heritage properties?

Published 2026-10-16

Answer

Comparing the full area of each property, Historic Monuments of Ancient Nara is largest at 616.9 ha, about 40 times the 15.3 ha of Buddhist Monuments in the Horyu-ji Area. Ancient Capitals of Asuka and Fujiwara covers 137.99 ha. Each property has a buffer zone larger than the property itself.

Property areas and buffer zones at a glance

These figures follow UNESCO’s listings, checked on October 16, 2026. Component counts also draw on Agency for Cultural Affairs descriptions and the 2016 Kii boundary modification proposal. The Kii figures cover Nara, Wakayama and Mie together, not Nara alone. Ancient Nara’s buffer zone is rounded to about 1,962 ha because UNESCO and Japanese documents differ slightly. The roughly 40-fold difference between Ancient Nara and the Horyu-ji Area is calculated as 616.9 ÷ 15.3.

PropertyInscribedComponentsProperty areaBuffer zone
Buddhist Monuments in the Horyu-ji Area1993215.3 ha571 ha
Historic Monuments of Ancient Nara19988616.9 haApprox. 1,962 ha
Sacred Sites and Pilgrimage Routes in the Kii Mountain Range (all three prefectures)2004 (boundary modified in 2016)23 (8 involve Nara)506.4 ha12,100 ha
Ancient Capitals of Asuka and Fujiwara202619137.99 ha1,127.93 ha

What does a buffer zone protect?

The Agency for Cultural Affairs’ World Heritage glossary describes a buffer zone as an area around a property where controls on use and development provide additional protection. It is distinct from the property itself. UNESCO’s 2026 listing gives Asuka-Fujiwara a 1,127.93 ha buffer zone—about eight times its 137.99 ha property area (calculated). Compared with Asuka Village’s 24.10 km², or 2,410 ha, in the Geospatial Information Authority’s July 1, 2026 area survey, that is slightly less than half as large. The buffer zone also extends into Kashihara and Sakurai; this does not mean it occupies nearly half of Asuka Village.

Putting the areas in perspective

Ancient Nara’s 616.9 ha is about 1.2 times Nara Park’s 511.33 ha as a prefectural urban park, the area given by Nara Prefecture under its April 2017 revised designation. It is about five times the approximately 122 ha national government park area at the Heijo Palace Site in the Kinki Regional Development Bureau’s June 2021 development and management policy. These ratios are calculated. Heijo Palace Site has different areas depending on whether the boundary is that of the park, the World Heritage component or the Special Historic Site. The Horyu-ji Area’s 15.3 ha is only about 1.1% of Ikaruga Town’s 14.27 km², as recorded in the July 1, 2026 national area survey; this ratio is calculated after converting units.

The Kii property spans three prefectures

The 2016 boundary modification proposal gives the entire Kii property an area of 506.4 ha and a buffer zone of 12,100 ha. A Nara-only total cannot be established because prefectural breakdowns for the pilgrimage routes are not published. The six Yoshino–Ōmine sacred-site components, all within Nara, have a combined property area of 44.8 ha and buffer zone of 916 ha. Together with the cross-prefectural Ōmine Okugakemichi and Kumano Sankeimichi Kohechi routes, eight components involve Nara. The World Heritage sections of Ōmine Okugakemichi total 86.9 km, a different scope from the roughly 170 km commonly cited for the full route.

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