Sankei-en is the garden in Naka-ku, Yokohama-shi.
It was a former house of the businessman in Yokohama who formed goods out of raw silk trade and Hara Tomitaro. 17 old buildings are arranged in 175000 square meters of park. It was laid out in 1906. It was designated in a national scenic spot on November 17, 2006.
Address: Honmokusannotani 58-1, Naka-ku, Yokohama-shi, Kanagawa (GoogleMap)
The iris which blooms centering on the Oike circumference is best time in June. 30 kinds of Edo system iris transplanted from Meiji Shrine and 500 stocks bloom in 1961.