Officeholder: David Cameron (Secretary of State)
Department executive: Sir Philip Barton, Permanent Secretary and Head of HM Diplomatic Service
Founded: 1782
Annual budget: £1.1bn (current) & £0.1bn (capital) in 2015–16
Child agencies: FCDO Services; Wilton Park
Deputy Secretary responsible: The Rt Hon. Andrew Mitchell MP, Deputy Foreign Secretary, Minister of State for Development and Africa
Formed: 1782; 242 years ago (as the Foreign Office)