DUNGARVAN, a parliamentary borough, market-town, and seaport of Ireland, in the county Waterford, 125 miles S.W. of Dublin. It is situated on the Bay of Dungarvan, at the mouth of the Colligan, which divides the town into two parts, connected by a bridge of a single arch. The eastern suburb is called Abbeyside, where the remains of an ancient keep, erected by the M'Graths still exists. The town contains a town hall, a sessions house, a union workhouse, a market house, and barracks. Brewing is carried on to a small extent, and there is a steam mill. The borough returns one member to Parliament. Area of town, 392 acres; of borough, 8499 acres. Population of borough (1871), 7719, of whom 36 per cent, were Roman Catholics.