Hotel most overwater bungalows resorts. In 2006, "Guinness World Records" listed the First World Hotel in Genting Highlands, Malaysia, as the world's largest hotel with a total of 6,118 rooms (and which has now expanded to 7,351 rooms). The Izmailovo Hotel in Moscow has the most beds, with 7,500, followed by The Venetian and The Palazzo complex in Las Vegas (7,117 rooms) and MGM Grand Las Vegas complex (6,852 rooms). According to the Guinness Book of World Records, the oldest hotel in operation is the Nisiyama Onsen Keiunkan in Yamanashi, Japan. The hotel, first opened in AD 707 has been operated
Takanoyu Onsen the onsen its eponymous name. The onsens in Akinomiya were officially recognized by the Akita Clan in the Edo period (1603–1868). The various hot springs in the immediate area are referred to as the Akinomiya Geothermal Area and are situated along the western base of Mount Kurikoma. Takanoyu Onsen has its own hot spring, which wells up directly adjacent to the inn on the east bank of the Yakunai River. The water temperature at the spring source is 72 °C (162 °F). Only about ten percent of all hot spring facilities in Japan have water flowing directly from their own