Sultan Mosque represents the solidarity and unity of Muslims in Singapore. In addition, the impressive building serves as a reminder of the Malay royalty once housed in the nearby Istana Kampong Glam and the thriving Muslim communities living in the area during the British colonial period. It also served as a stopover for Muslim pilgrims from the region on their hajj (pilgrimage to the Islamic holy city of Mecca).
The mosque is easily recognizable by its two large, golden age-shaped domes atop the eastern and western ends of the prayer hall. One dome caps the main entrance foyer, while the other crowns the splendid mausoleum where Sultan Alauddin Alam Shah (the grandson of Sultan Hussein Shah) and other royal family members are buried.