Maura Brunei. An urbanscape that boasts magnificent Islamic architecture and the natural green geography of the land, Brunei-Muara is the epitome of traditional culture co-existing harmoniously with urban sophistication. As the smallest of Brunei’s four districts, it also happens to be the most populated and most bustling as it holds both the capital of the Sultanate, Bandar Seri Begawan, and the only main deepwater port located in Muara.