Which city is prefectural capital at the highest altitude in Japan?

Nagano is the capital and largest city of Nagano Prefecture, located in the Nagano Basin (Zenkoji Daira) in the central Chūbu region of Japan. Nagano is categorized as a core city of Japan.

Nagano City is the highest prefectural capital in Japan, with an altitude of 371.4 meters (1,219 ft). The city is surrounded by mountains, near the confluence of the Chikuma River - the longest and widest river in Japan - and the Sai River.

The city of Nagano and several surrounding communities hosted the 1998 Winter Olympics and the 1998 Winter Paralympics. Nagano City is an important historical location, an industrial center, as well as a travel destination and a center for accessing surrounding sightseeing spots, including Japan's onsen-bathing snow monkeys in Yamanouchi and world-class ski resorts of Hakuba and Nozawaonsen - throughout the year.