Belfast is the capital and largest city of Northern Ireland, home to the Northern Ireland Assembly at Stormont and to historic shipyards where the Titanic was built in 1911–12. Derry, also known as Londonderry, is the second city; it has the most complete city walls in the British Isles, dating from the early seventeenth century.
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Other significant towns and cities include Lisburn (Northern Ireland's third city by status), Newry and Armagh — Armagh is the ecclesiastical capital of Ireland and is shared as the seat of both the Catholic and Anglican primates of Ireland. The Giant's Causeway on the Antrim coast is a UNESCO World Heritage Site.
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