Antioch,_California | isPartOf | California United_States_House_of_Representatives | isPartOf | United_States_Congress Antioch,_California | isPartOf | Contra_Costa_County,_California California | language | Chinese_language Antioch,_California | leaderTitle | United_States_House_of_Representatives
The Chinese language is spoken in California which is the location of Antioch. The city is part of Contra Costa County and is led by the United States House of Representatives (part of the United States Congress).