Tegel Airport, officially known as Berlin Tegel Airport, was the main international airport serving Berlin, Germany, until its closure in 2020. Located about 8 kilometers northwest of the city center, it was known for its unique hexagonal terminal design and efficient layout, allowing for quick passenger movement. Opened in 1960, Tegel became a key hub during the Cold War, facilitating travel to and from West Berlin. The airport handled millions of passengers annually and offered flights to various destinations worldwide, making it an important gateway for both business and leisure travelers.