The Ueno Zoo (恩賜上野動物園, Onshi Ueno Dōbutsuen) is a 14.3-hectare (35-acre) zoo, managed by the Tokyo Metropolitan Government, and located in Taitō, Tokyo, Japan. It is Japan's oldest zoo, opening on March 20, 1882. It is a five-minute walk from the Park Exit of Ueno Station, with convenient access from Tokyo's public-transportation network. The Ueno Zoo Monorail, the first monorail in the country, connects the eastern and western parts of the grounds.
The zoo is in Ueno Park, a large urban park that is home to museums, a small amusement park, and other attractions. The zoo is closed Mondays (Tuesday if Monday is a holiday).(Wikipedia)