Tokyo Imperial Palace - Credit: Wikimedia Commons
The is the main residence of the Emperor of Japan. It is a large park-like area located in the Chiyoda district of the Chiyoda ward of Tokyo and contains several buildings including the where the Emperor has his living quarters, the where various ceremonies and receptions take place, some residences of the Imperial Family, an archive, museums and administrative offices. Read more on Wikipedia
Source: en.wikipedia.org