Serdobsk 谢尔多布斯克
Serdobsk (Russian:Сердо́бск) is a town and the administrative center of Serdobsky District in Penza Oblast, Russia, located on the Serdoba River (Don's basin) 111 kilometers (69 mi) southeast of Penza, the administrative center of the oblast. Population: 35,393(2010 Census);37,738(2002 Census);43,518(**** Census).