Nanko Park
Shirakawa, Japan · built 1801
Nanko Park (Nanko kōen) is considered to be the oldest public park in Japan, having been founded in 1801 by Matsudaira Sadanobu, the 12th daimyō of Shirakawa Domain. It was designated as both a National Historic Site of Japan and as a National Place of Scenic Beauty in 1934.
Park data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).