Malaysia is located in Southeast Asia. It has a federal constitutional monarchy government and Islam is the main religion. Malaysia became an independent nation in 1957 and was formed through the merging of states, including Malaya, Sarawak, Sabah and Singapore. It has a population made up of Malays, Chinese, Indians and indigenous peoples. Popular tourist attractions include the Petronas Twin Towers in Kuala Lumpur, the islands of Langkawi and Perhentian, and the Mulu Caves. The country has a diverse culture influenced by the various ethnic groups and celebrates both Islamic and Hindu holidays.