Hamarikyu Gardens (浜離宮恩賜庭園, Hama-rikyū Onshi Teien) is a public park in Chūō ward, Tokyo, Japan. Located at the mouth of the Sumida River, it was opened to the public on April 1, 1946. A landscaped garden of 250,165 m² includes Shio-iri Pond, and the park is surrounded by a seawater moat filled by Tokyo Bay. It was remodeled as a public park on the site of a villa belonging to the ruling Tokugawa family in the 17th century. From Wikipedia https://en.wikipedia.org/wiki/Hamarikyu_Gardens