PORT ROYAL, a fortified town of Jamaica, once the capital of that island, at the end of a narrow strip of land forming the S. side of Kingston harbour, N. Lat. 17. 56., W. Long. 76. 51. It was once a flourishing and well-built town, but it has suffered once and again from earthquakes and fires, and its public offices have been removed to Kingston. It still contains a naval arsenal, barracks, hospital, and other buildings, and its harbour is a station for British men-of-war. The town is chiefly inhabited by Negroes. Pop. 15,000.