Oakland is one of California's most populous cities. According to the United States Census Bureau, it has a population of 440,646 people and is located in the countryside of Alameda County in the East Bay section of the San Francisco Bay Area. The Port of Oakland is one of the busiest regions in the city, serving as a trading center for the San Francisco Bay Area. Furthermore, the city has become overcrowded as a result of the busy ports, shipyards, and manufacturing firms.