Sultan Sulaiman Mosque is Selangor's royal mosque, which is located in Klang, Selangor, Malaysia. It was constructed by the British in the early 1932 and was officially opened in 1934 by the late Almarhum Sultan Sir Alaeddin Sulaiman Shah and the British's Federated Malay States High Commissioner, Sir Lawrence Nuuns Guillemard.The mosque's architecture is a combination of Western Art Deco and Neoclassical cathedral styles.