The in Koganei Park, Tokyo, Japan, is a museum of historic Japanese buildings.

The park includes many buildings from the ordinary middle class Japanese experience to the homes of wealthy and powerful individuals such as former Prime Minister Takahashi Korekiyo, out in the open in a park.

Edo-Tokyo Open Air Architectural Museum

The museum enables visitors to enter and explore a wide variety of buildings of different styles, periods, and purposes, from upper-class homes to pre-war shops, public baths (sentō), and Western-style buildings of the Meiji period, which would normally be inaccessible to tourists or other casual visitors, or which cannot be found in Tokyo.

Edo-Tokyo Open Air Architectural Museum

Acclaimed animator Hayao Miyazaki often visited here during the creation of his film, Spirited Away, for inspiration.

Edo-Tokyo Open Air Architectural Museum

Restored buildings

The park is divided into three zones. The west zone is lined with Musashino farm homes and Yamanote houses, the center zone is lined with prestigious historic buildings, and the east zone is a reproduction of the downtown area.

Center Zone

Former Kōkaden hall (now Museum Visitor Center) (1940): A temporary building erected in the Imperial Palace Outer Garden as the venue of . It was relocated to this area in 1941 after the ceremony. Former Jishōin Mausoleum (1652): A mausoleum building built by Kōra Muneyoshi, a master builder of the Shogunate, built in 1652 in the early Edo period. Third Shogun Tokugawa Iemitsu's concubine (great-granddaughter of Ishida Mitsunari) was enshrined. Designated Tangible Cultural Property (building) of the Tokyo Metropolitan Government. House of Takahashi Korekiyo (1902): The residence of Takahashi Korekiyo, a politician who was assassinated in February 26 Incident. Completed in 1902 (Meiji 35). Made entirely of Tsuga. This is an early example of using window glass in a Japanese-style mansion. Korekiyo was assassinated on the second floor of this building. Nishikawa Annex (1922): A secondhouse of Izaemon Nishikawa, the founder of Nishikawa Silk Reeling, used as a guesthouse and retreat. Completed in 1922 (Taisho 11). Date Family Gate (Taisho era (1912–1926): The front gate of a mansion built by the Date Marquis family (formerly the Date family of the Uwajima Domain) in Shirokane Sankocho during the Taisho era . It is built in the style of a daimyo mansion with a one-sided office. Kaisuian (Taisho era): A Chashitsu (tearoom) by (宗徧流) tea masters Yamagishi Soju (Kaisui).