Cost: 86000c. Maintenance fee: 23000c/mo. The Tokyo Metropolitan Government Building (東京都庁舎Tōkyō-to Chōsha), also referred to as Tokyo City Hall or Tochō (都庁) for short, houses the headquarters of the Tokyo Metropolitan Government, which governs not only the 23 wards, but also the cities, towns and villages that make up Tokyo as a whole. ----