Muara or officially known as Muara Town, is a port town in Brunei-Muara District, Brunei, about 28 kilometres from the capital Bandar Seri Beg…Muara or officially known as Muara Town, is a port town in Brunei-Muara District, Brunei, about 28 kilometres from the capital Bandar Seri Begawan. The population of the town proper was 2,102 in 2016. It is home to Muara Port, the country's primary deep water port.