Alderney City is a fictional city that appears in the video game Grand Theft Auto IV. It is part of the larger Liberty City, which is loosely based on the city of New York. Alderney City is located on the western side of the map and is known for its urban environment, tall skyscrapers, and bustling streets. It is also home to various landmarks and points of interest, such as the Sprunk Factory and the Westdyke Memorial Hospital.