The Omar Ali Saifuddien Mosque is a prominent mosque located in Bandar Seri Begawan, the capital of Brunei. Completed in 1958, it is named after the 28th Sultan of Brunei, Omar Ali Saifuddien III. The mosque features stunning Islamic architecture, with a golden dome and intricate marble work, making it one of the most beautiful mosques in the world. Surrounded by a man-made lagoon, the mosque is a popular tourist attraction and a significant place of worship for Muslims in Brunei. Its serene setting and grand design reflect the rich cultural heritage of the nation, symbolizing the importance of Islam in Bruneian society.