Koishikawa Kōrakuen Garden 小石川後楽園
The name comes from a Chinese saying: govern first, enjoy yourself later.
Seventy thousand square metres in Bunkyō, with 4,030 tall trees. Opened to the public on 3 April 1938.
Tokyo
Iidabashi, Korakuen
https://theanimetrip.com/luoghi/giardino-koishikawa-korakuen