
Bletchley Park is an English country house and estate in Milton Keynes (Buckinghamshire) that became the principal centre of Allied code-breaking during the Second World War. The mansion was constructed during the years following 1883 for the financier and politician Sir Herbert Leon in the Victorian Gothic, Tudor, and Dutch Baroque styles, on the site of older buildings of the same name.

The British Council is a British organisation specialising in international cultural and educational opportunities. It works in over 100 countries: promoting a wider knowledge of the United Kingdom and the English language ; encouraging cultural, scientific, technological and educational co-operation with the United Kingdom.

The Burma Office was a British government department created in 1937 to oversee the administration of Burma. The department was headed until 1947 by the Secretary of State for India and Burma, a member of the British cabinet, and then for a few months until January 1948 by the Secretary of State for Burma.

The Far East Combined Bureau, an outstation of the British Government Code and Cypher School, was set up in Hong Kong in March 1935, to monitor Japanese, and also Chinese and Russian (Soviet) intelligence and radio traffic. Later it moved to Singapore, Colombo (Ceylon), Kilindini (Kenya), then returned to Colombo.

The Foreign, Commonwealth & Development Office (FCDO), formerly known as the Foreign & Commonwealth Office (FCO) until September 2020, and commonly called the Foreign Office (FO), is a department of the Government of the United Kingdom. It is responsible for protecting and promoting British interests worldwide and was created in 1968 by the merger of the Foreign Office and the Commonwealth Office.

Government Communications Headquarters, commonly known as GCHQ, is an intelligence and security organisation responsible for providing signals intelligence (SIGINT) and information assurance to the government and armed forces of the United Kingdom. Based in "The Doughnut" in the suburbs of Cheltenham, GCHQ is the responsibility of the country's Secretary of State for Foreign and Commonwealth Affairs, but it is not a part of the Foreign Office and its Director ranks as a Permanent Secretary.

Government Communications Headquarters, commonly known as GCHQ, is an intelligence and security organisation responsible for providing signals intelligence (SIGINT) and information assurance to the government and armed forces of the United Kingdom. Based in "The Doughnut" in the suburbs of Cheltenham, GCHQ is the responsibility of the country's Secretary of State for Foreign and Commonwealth Affairs, but it is not a part of the Foreign Office and its Director ranks as a Permanent Secretary.

Gustav Siegfried Eins (GS1) was a British black propaganda radio station during World War II operated by the Political Warfare Executive (PWE). It was the brainchild of Sefton Delmer, a former BBC German service announcer recruited by PWE in 1940, and claimed to be an illegal radio station operating within Nazi Germany. The callsign was based on the German Army phonetic alphabet for the letters GS, but had no meaning.

Chatham House, also known as the Royal Institute of International Affairs, is an independent policy institute headquartered in London. Its mission is to provide authoritative commentary on world events and offer solutions to global challenges. It is the originator of the Chatham House Rule. Its presidents are Baroness Eliza Manningham-Buller, Rt Hon Lord Alistair Darling and Rt Hon Sir John Major.

The position of Secretary of State for Dominion Affairs was a British cabinet-level position created in 1925 responsible for British relations with the Dominions — Canada, Australia, New Zealand, South Africa, Newfoundland, and the Irish Free State — and the self-governing Crown colony of Southern Rhodesia. When initially created, the office was held in tandem with that of Secretary of State for the Colonies; this arrangement persisted until June 1930. On two subsequent occasions the offices were briefly held by the same person. The Secretary was supported by an Under-Secretary of State for Dominion Affairs. In 1947, the name of the office was changed to the Secretary of State for Commonwealth Relations.

His Majesty's Principal Secretary of State for India, known for short as the India Secretary or the Indian Secretary, was the British Cabinet minister and the political head of the India Office responsible for the governance of the British Indian Empire, Aden, and Burma. The post was created in 1858 when the East India Company's rule in Bengal ended and India, except for the Princely States, was brought under the direct administration of the government in Whitehall in London, beginning the official colonial period under the British Empire.

The Secretary of State for the Colonies or Colonial Secretary was the British Cabinet minister in charge of managing the United Kingdom's various colonial dependencies.

Woburn Abbey, occupying the east of the village of Woburn, Bedfordshire, England, is a country house, the family seat of the Duke of Bedford. Although it is still a family home to the current duke, it is open on specified days to visitors, along with the diverse estate surrounding it, including the historic landscape gardens and deer park, as well as more recently added attractions including Woburn Safari Park, a miniature railway and a garden/visitor centre.