Selangor (Jawi: سلاڠور, population 4.1 million) is one of the 13 states of Malaysia. It is on the west coast of Peninsular Malaysia and is bordered by Perak to the north, Pahang to the east, Negri Sembilan to the south and the Strait of Malacca to the west. It totally surrounds the federal territories of Kuala Lumpur and Putrajaya.