Malaysia (pronounced /məˈlεɪʒə/ or /məˈleɪziə/) is a federation that consists of thirteen states and three federal territories in Southeast Asia with a total landmass of 329,847 square kilometres (127,355 sq mi). The capital city is Kuala Lumpur, while Putrajaya is the seat of the federal government. The population stands at over 27 million. The country is separated into two regions—Peninsular Malaysia and Malaysian Borneo—by the South China Sea. Malaysia borders Thailand, Indonesia, Singapore, Brunei and the Philippines. The country is located near the equator and experiences a tropical climate. Malaysia's head of state is the Yang di-Pertuan Agong (conventionally referred to as 'the King' or 'the Agong') and the government is headed by a Prime Minister. The government is closely modeled after the Westminster Parliamentary System.