BELFAST, a town of Ireland, in the county of Antrim. It is seated at the bottom of Carriekfergus bay, and is the chief town and port in this part of Ireland, as well for beauty, as for its wealth, trade, and shipping. The customhouse duties for the year 1816 amounted to 349,417l.; and the inhabitants, who are mostly Scots, and of the Presbyterian religion, amounted in the same year to 30,000. W. Long. 5. 54. N. Lat. 54. 38.