Selangor, the Arabic honorific title of the state is Darul Ehsan or "Abode of Sincerity" is one of the 13 states of Malaysia. It is on the west coast of Peninsula Malaysia and is bordered by Perak to the north, Pahang to the east, Negeri Sembilan to the south and the Strait of Malacca to the west. It completely surrounds the federal territories of Kuala Lumpur and Putrajaya, both of which were once under Selangor's sovereignty.
The state is a hereditary constitutional monarchy, of which the reigning Sultan (since 2001) is Sultan Sharafuddin Idris Shah. Since March 10, 2008, the Menteri Besar (chief executive of the state government) has been Tan Sri Abdul Khalid Ibrahim, of the People's Justice Party (PKR) portion of Pakatan Rakyat. The current leader of the opposition in the Selangor State Assembly is Dato' Seri Dr. Mohamed Khir Toyo, who is part of the United Malays National Organisation (UMNO) party within the Barisan Nasional coalition. He was also the 13th Menteri Besar of Selangor.
The state capital is Shah Alam, the first city in Selangor, and the royal capital is Klang. Another major urban centre is Petaling Jaya which was awarded city status on June 20, 2006. Selangor is one of only two Malaysian states with more than one city; the other is Sarawak.