World-record setting hotels

Highest

The largest hotel in the world is thought to be the Burj al-Arab in Dubai, United Arab Emirates, 280 meters, but will soon be overtaken by the nearby Rose Rotana Suites at 333 metres (1091 feet). The Ryugyong Hotel in Pyongyang aimed to reach 330 meters (1083 feet), but it is unlikely to be completed, it has been under construction since 1987 and was discontinued in 1992. The Baiyoke Sky Hotel in Bangkok, Thailand has a building 309 meters high, but the rooms do not go all the way to the top.

Hotel rooms are higher in the Grand Hyatt in the Jin Mao Building in Shanghai, the higher floor to approximately 350 m

Largest
The largest hotel in the World is the Las Vegas MGM Grand in Las Vegas, Nevada, USA, with a total of 6,276 rooms [2] as of December 20, 2006. On December 18, 2006 Guinness World Records listed the First World Hotel in Genting Highlands, Malaysia [1] as one of the biggest hotels. It has a total of 6118 rooms and is part of the Genting Highlands Resort and Casino. The First World Plaza, which is attached to two towers hotel has 500000 square feet (50000 square metres) of the theme park inside, shopping malls, areas of casino gaming and breweries. Previously, Guinness has entered the Las Vegas MGM Grand in Las Vegas, Nevada, United States with 5005 rooms, the largest hotel in the world [2].

In the past, other hotels have held the title of largest hotel in the world, in terms of number of rooms. These include the Rossiya Hotel (3200 rooms) near the Red Square in Moscow and Ambassador City Jomtien (4210 rooms) in Pattaya, Thailand. Other major hotels being considered for a development that may one day take the title are in Penang, Malaysia and Macao.

On December 20, 2007, with the opening of The Palace, The Venetian hotel in Las Vegas claims to be the biggest in the world with 7,025 rooms spread over three rounds. [Edit]

Oldest

According to the Guinness Book of World Records, the oldest hotel still active is the Hoshi Ryokan, in the "Awazu Onsen" zone Komatsu, Japan. It opened its doors in 717 and the characteristics of hot springs.