- a county in eastern Wales. 330 sq. mi. (850 sq. km).
- a county of E Wales: administratively part of England for three centuries (until 1830); mainly absorbed into the county of Gwent in 1974; reinstated with reduced boundaries in 1996: chiefly agricultural, with the Black Mountains in the N. Administrative centre: Cwmbran. Pop: 86 200 (2003 est). Area: 851 sq km (329 sq miles)
