Alameda ( AL-ə-MEE-də; Spanish: [alaˈmeða]; Spanish for "tree-lined path") is a city in Alameda County, California, United States. It spans Alameda Island, Bay Farm Island, and a few minor islands. It is adjacent to and south of Oakland and east of San Francisco across the San Francisco Bay. Bay Farm Island, a portion of which is also known as "Harbor Bay Isle", is part of the mainland adjacent to Oakland International Airport. The city's estimated 2019 population was 77,624. Alameda is a charter city, rather than a general law city and adopted a council–manager government in 1916.