Bletchley, located in the UK, is renowned for its historical significance, particularly the Bletchley Park, the central site for British codebreakers during World War II. Its blend of historic buildings and parkland makes it an ideal location for war dramas and historical documentaries. Filmmakers choose Bletchley for its authentic wartime atmosphere and the educational value it brings. An interesting fact: Bletchley Park is now a museum, showcasing the groundbreaking work in cryptography and computing done there.