Belfast (256), county town of Antrim, and largest and most flourishing city in the N. of Ireland; stands on the Lagan, at the head of Belfast Lough, 100 m. N. of Dublin; is a bright and pleasant city, with some fine streets and handsome buildings, Presbyterian, Catholic, and Methodist colleges. It is the centre of the Irish linen and cotton manufactures, the most important shipbuilding centre, and has also rope-making, whisky, and aerated-water industries. Its foreign trade is larger than even Dublin's. It is the capital of Ulster, and head-quarters of Presbyterianism in Ireland.