Sanya is the southernmost city in Hainan province, China. It has an area of 1919.6 square km and a population of 536,000 (2006). After Haikou, it is the second most populous city of the island. Sanya is renowned for its tropical climate and is a popular tourist destination. It is also the focus city for China's Utsul Muslims. It is the site for training of the Chinese national beach volleyball team.