The Sultan Ahmad Shah Mosque of the International Islamic University Malaysia (IIUM) is located in Gombak, Selangor. The construction of this mosque which can accommodate 9, 000 congregational members, began in February 1995 and was completed on 12 October 1995. With a total cost of RM19.4 million, it displays Islamic architectural philosophy with Arabic influence. It was named the Sultan Ahmad Shah Mosque in appreciation of the Sultan of Pahang, Sultan Ahmad Shah Al-Musta'inBillah, who was the Constitutional Head of IIUM. He officiated the opening of the mosque on 9 October 2000.