Tokyo Yamathon 2026: SPONSOR/SUPPORTER ENTRY スポンサー

Chiyoda , officially known as Chiyoda City in English, is a special ward of Tokyo, Japan. Located in the heart of Tokyo's 23 special wards, Chiyoda consists of the Imperial Palace and a surrounding radius of about a kilometer, and is known as the political and financial center of Japan. As of October 2020, the ward had a population of 66,680, and a population density of 5,709 people per km2, making it by far the least populated of the special wards. The residential part of Chiyoda is at the heart of Yamanote, Tokyo's traditional upper-class residential area, with Banchō, Kōjimachi, and Kioichō considered the most exclusive neighbourhoods in the entire city. The total area is 11.66 km2, of which the Imperial Palace, Hibiya Park, National Museum of Modern Art, and Yasukuni Shrine take up approximately 2.6 km2, or 22%.