The Cabinet War Rooms, beneath London, were key places in the planning of Allied forces from 1940 onwards. It was here that 115 Cabinet meetings were held under the direction of Winston Churchill. The Map Room was particularly significant and was manned by officers from each of the armed forces, who would produce a daily intelligence summary.

IWM London is one of the five branches of the Imperial War Museum in England. It comprises different exhibitions presenting the stories of people whose lives have been impacted by war, through unique documents and objects, art, sound, film and other means. The museum offers two permanent displays focusing on the Second World War: ‘The Holocaust Exhibition’ and ‘A Family in Wartime’.

Bletchley Park in Buckinghamshire was the top secret home of the Codebreakers during WWII, where, among other codes, those generated by the German Enigma and Lorenz machines were decrypted. The grounds and historic buildings of Bletchley Park can be explored together with exhibitions on a variety of topics related to the history of the site.

During the Second World War much of the Allied planning for operations was conducted in London. The plans for Operation Overlord (D-Day) were finalised at Southwick House in Hampshire. This became the headquarters of the main Allied commanders, led by General Eisenhower. The whole of the village was taken over by the Allied command.