BUNCRANA, market town and urban district of Co. Done gal, Ireland, on the Londonderry and Lough Swilly railway. Pop. (1926), 2,309. There is a trade in agricultural produce, a salmon fishery, sea fisheries and a manufacture of linen. The town is flanked on the east and south by hills exceeding I ,000f t. The square keep of an ancient castle remains, but the present Buncrana Castle is a residence erected in 1717.