Akasaka Imperial Estate

The Akasaka Estate is a park-like Japanese Imperial Estate, site of several major existing and former Imperial residences in the district of Moto-Akasaka, Minato Special Ward, Tokyo. Besides Prince Hitachi, who lives in Higashi, Shibuya, and the Emperor Emeritus, who lives in Takanawa Residence, many members of the Imperial Family have their official residence on this estate, currently including the Emperor himself. The estate is not accessible to the general public.

Source: Wikipedia