551-1 Kokufuhongo, Oiso Town, Naka District, Kanagawa
- www.kanagawa-park.or.jp (Japanese)
Oisojoyama Park is a park where the former Mitsui Zaibatsu owner had his villa as well as where former Prime Minister Shigeru Yoshida spent his last years.
Former Mitsui Residence Parking Lot hours: 8:30am–5pm
From JR Tokaido Line, Oiso Station, take a Kanagawa Chuo (Kanachu) Bus towards Kozu Station/Shonan Oiso Jyutaku-mae/Ninomiya Station, and then get off at Shiroyama Koen-mae and walk 3 minutes.