Klang District is an administrative district in Selangor, Malaysia. Its principal city is Klang, though the district does not administer the city. The city of Shah Alam is partly within Klang District. The Klang River flows through the Klang district and end near Port Klang. Klang district is situated near the Straits Of Malacca in the Selangor state. Klang district has many islands such as Pulau Klang, Pulau Indah, Pulau Chet Mat Zin, Pulau Ketam, Pulau Tengah, Pulau Rusa, Pulau Selat Kering and Pulau Pintu Gedong.
In 1980, the census figures for the 3 main ethnic groups in the Klang District were: Malays 105,195, Chinese 119,186, and Indians 54,159. The following are the 2010 census figures for Klang District, which include the city of Klang, Port Klang and part of Shah Alam.