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
Hotel by the same family for forty-six generations. The title was held until 2011 by the Hoshi Ryokan, in the Awazu Onsen area of Komatsu, Japan, which opened in the year 718, as the history of the Nisiyama Onsen Keiunkan was virtually unknown. The Ritz-Carlton, Hong Kong claims to be the world's highest hotel. It is located on the top floors of the International Commerce Centre in Hong Kong, at above ground level. In October 2014, the Anbang Insurance Group, based in China, purchased the Waldorf Astoria New York in Manhattan for US$1.95 billion, making it the world's most expensive hotel