Seria, officially known as Seria Town, is a town located in the Belait District of Brunei. It is situated approximately 65 kilometres (40 miles) west of the nation's capital, Bandar Seri Begawan.
The town is historically significant as the site where oil was first struck in Brunei in 1929. Since that time, it has developed into a primary center for the country's oil and gas industry. As of 2016, the total population of Seria was 3,625.