Northern Ireland Office

Northern Ireland Office
Department overview

Formed	24 March 1972
Preceding Department	Dublin Castle administration (1171–1921) Home Office (1921–1972) Office of the Prime Minister (1921–1972) Office of the Governor (1922–1973)
Jurisdiction	Government of the United Kingdom
Headquarters	Northern Ireland Erskine House, 20-32 Chichester Street, Belfast, BT1 4GF Westminster 1 Horse Guards Road, London, SW1A 2HQ
Employees	167 (September 2011)
Annual budget	£23 million for 2011–12
Secretary of State responsible	The Rt. Hon. Hilary Benn MP, Secretary of State for Northern Ireland Fleur Anderson MP, Parliamentary Under-Secretary of State for Northern Ireland
Department executives	Julie Harrison, Permanent Secretary Holly Clark, Chief Operating Officer
Website	gov.uk/nio

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The Northern Ireland Office (NIO; Irish: Oifig Thuaisceart Éireann, Ulster-Scots: Norlin Airlann Oaffis) is a ministerial department of the Government of the United Kingdom. It is responsible for handling Northern Ireland affairs. The NIO is led by the Secretary of State for Northern Ireland and is based at Erskine House in Belfast City Centre and 1 Horse Guards Road in London.