Opened to the public in 1968, the Imperial Palace East Gardens sit at the north-east corner of Tokyo Imperial Palace opposite the financial districts of Marunouchi and Otemachi. The grounds contains an Edo period style garden, the foundations of the former Edo Castle, and the Museum of Imperial Collections, which displays some of the Imperial Family household treasures.
1-1 Chiyoda, Chiyoda-ku, Tokyo, Japan 100-8111
Ote-mon Gate is 3 minutes from Exit 13a of Otemachi Station and Hirakawa-mon Gate is 3 minutes from Exit 1a of Takebashi Station
9:00-16:30. Closed on Mondays and Fridays, but if Monday is a national holiday then it is open on Monday and closed on Tuesday