Port Talbot, town in Neath Port Talbot county borough, south Wales, on Swansea Bay in the Bristol Channel. It is the site of one of the largest steel-producing complexes in Europe. Other products include iron and tinplate. The town is also a seaside resort and local trade centre. Dock facilities were opened here in 1837, and the town rapidly developed as a coal-shipping centre. Its port was enlarged in 1970 to allow the docking of large ore-carrying vessels. In November 2001 an explosion at Corus steelworks killed three workers and injured several others. Population 37,647 (1991).