UPSI has two campuses, the Sultan Abdul Jalil Shah Campus (KSAJS) and the Sultan Azlan Shah Campus (KSAS). The main campus is on a 300-acre site in the town of Tanjung Malim that straddles both the Perak and Selangor state border. A new campus is on an 800-acre (3.2 km2) site in the new township of Proton City, 5 kilometres from the current campus.