Arkadak () is a town and the administrative center of Arkadaksky District in Saratov Oblast, Russia, located on the Bolshoy Arkadak River near its confluence with the Khopyor, west of Saratov, the administrative center of the oblast. ###>Arkadak (en ) est une ville de l'oblast de Saratov, en Russie, et le centre administratif du raïon d'Arkadak.