Nishiyama Onsen Keiunkan Nishiyama Onsen Keiunkan Nishiyama Onsen Keiunkan (西山温泉慶雲館) is a hot spring hotel in Hayakawa, Yamanashi Prefecture, Japan. Founded in 705 AD by Fujiwara Mahito, it is the oldest hotel and one of the oldest companies in operation. In 2011, the hotel was officially recognised by the Guinness World Records as the oldest hotel in the world. It has been continuously operated by 52 generations of the same family (including adopted heirs) for over 1,300 years. The Keiunkan lies at the foot of the Akaishi Mountains. Since its foundation the hotel has had all its hot water sourced directly from the
Yamanashi, Yamanashi Yamanashi, Yamanashi As of November 2015, the city had an estimated population of 34,969, and a population density of 121 persons per km². The total area is . Yamanashi City is located in north-central Yamanashi Prefecture. The village of Yamanashi was founded on July 1, 1942, by the merger of two hamlets within Higashiyamanashi District. It was elevated to city status on July 1, 1954. On March 22, 2005, Yamanashi absorbed the town of Makioka, and the village of Mitomi (both from Higashiyamanashi District). The economy of Yamanashi is based primarily on horticulture, with grapes and peaches as the main