Masjid Sultan Salahuddin Abdul Aziz Shah, located in Shah Alam is also known as the Selangor State Mosque (Masjid Negeri Selangor). Construction works of on the mosque, which is located on a 35 hectare land was initiated on 1 October 1983. This mosque is known as the "blue mosque" among tourists and has a combination of Islamic, Middle-eastern, Indian, Western traditional architectural design influence as well as Malay construction design. The distinctive unique feature of this mosque lies in its dome that is 170 feet in diameter and 180 feet high supported by eight square-shaped pillars. The mosque received its first congregation on Thursday, 3 December 1987 for Friday prayers. Its official launch was inaugurated by the Sultan of Selangor, Sultan Salahuddin Abdul Aziz Shah on 11 March 1988 equivalent to 23 Rejab 1408 Hijrah.