Kuala Selangor is a town located in Selangor, Malaysia. Kuala Selangor is the capital of an administrative district of the same name. "Kuala" means river mouth in the Malay language, and Kuala Selangor is a small town where the Selangor River (Sungai Selangor) meets the sea. Kuala Selangor is a coastal town located about 50 km north of Klang, 63 km from Shah Alam, the capital of Selangor, about 70 km from Kuala Lumpur. Kuala Selangor was the old royal capital of Selangor prior to moving to Klang, to Kuala Lumpur, then to Shah Alam.