The Port of Los Angeles is the busiest port in the Unite States. Also called Los Angeles Harbor and WORLDPORT LA, the port complex occupies 7,500 acres (30 km²) of land and water along 43 miles (69 km) of waterfront. The port is located on San Pedro Bay in the San Pedro neighborhood of Los Angeles, approximately 20 miles (30 km) south of downtown. It adjoins the separate Port of Long Beach. It employs over 16,000 people. For public safety, the Port of Los Angeles utilizes the Los Angeles Port Police to fight crime and terrorism, and the Los Angeles City Lifeguards to provide lifeguarding services for inner Cabrillo Beach and all of the Los Angeles outer harbor.