Contra_Costa_County,_California | isPartOf | San_Francisco_Bay_Area Antioch,_California | isPartOf | California Antioch,_California | isPartOf | Contra_Costa_County,_California California | language | Chinese_language Antioch,_California | leaderTitle | United_States_House_of_Representatives
Antioch is part of Contra Costa County in California which is in the San Francisco Bay area. Some parts of California speak Chinese and The United States House of Representatives is the leader of Antioch, California.