Antioch,_California | isPartOf | Contra_Costa_County,_California Antioch,_California | isPartOf | California California | language | Vietnamese_language Contra_Costa_County,_California | isPartOf | San_Francisco_Bay_Area Antioch,_California | leaderTitle | United_States_House_of_Representatives
Led by the United States House of Representatives., is Antioch. This city, is part of Contra Costa County, which in turn is part of part of the San Francisco Bay Area, in California. One of the languages spoken in California is Vietnamese.