<Tr> <Th> Rank </Th> <Th> Name </Th> <Th> Country </Th> <Th> City </Th> <Th> Rooms / suites </Th> <Th> Floors </Th> </Tr> <Tr> <Td> </Td> <Td> First World Hotel </Td> <Td> Malaysia </Td> <Td> Genting Highlands </Td> <Td> 7,351 </Td> <Td> 24 floors (Tower 1), 28 floors (Tower 2); Tower 2 Annex has altogether 1,286 rooms . The world's largest hotel from 2006--2008 and (after expansion) from August 2015--present . </Td> </Tr> <Tr> <Td> </Td> <Td> The Venetian Las Vegas </Td> <Td> United States </Td> <Td> Las Vegas </Td> <Td> 7,117 </Td> <Td> The Venetian and The Palazzo (53 floors) complex was the world's largest hotel from 2008--2015 . </Td> </Tr> <Tr> <Td> </Td> <Td> MGM Grand Las Vegas + The Signature </Td> <Td> United States </Td> <Td> Las Vegas </Td> <Td> 6,852 </Td> <Td> Includes MGM Grand (30 floors), Signature (38 floors in 3 towers), Skylofts (occupies top 2 floors), and the Mansion; was the world's largest hotel from 1993--2006 . </Td> </Tr>

What is the biggest hotel in las vegas nv