The area of the Imperial Palace, which was originally the Edo castle of Tokugawa Bakufu, includes Gosho that is the private house of the Emperor and the Empress, palaces to hold events, government buildings related to Imperial Household Agency, Momijiyama royal cocoonery, and the East Gardens of the Imperial Palace. In the open space in front of the Imperial Palace, which is also used for running that has become popular recently, there are some historical architecture such as Wadakura Fountain Park, Sakurada gate, and Nijubashi. As major places for sightseeing in Tokyo, they attract a lot of foreign visitors. In addition, Kitanomaru Park and Hibiya Park are located outside of the palace. The Imperial Palace is 10 minutes walk from JR Tokyo station, 8 minutes walk from JR Yurakucho station, 3 minutes walk from Nijubashimae station by Chiyoda subway line, 5 minutes walk from Hibiya station by Hibiya subway line, and 2 minutes walk from Hibiya station by Toei subway Mita line.
Data source:Let's Enjoy Tokyo