Tourism Northern Ireland provides information about attractions, accommodations, and activities online and at its central and regional tourist information offices (TIOs). The offices in Belfast and Derry are open year-round; other useful TIOs are in Enniskillen, Armagh, Newcastle, Carrickfergus, and at the Giant's Causeway on the North Antrim coast.
Tourism Northern Ireland . 59 North St., Belfast, Co. Antrim, BT1 1NB. 028/9023–1221; www.discovernorthernireland.com.