Bolshaya SazankaBolshaya Sazanka is a rural locality and the administrative center of Bolshesazansky Selsoviet of Seryshevsky District, Amur Oblast, Russia. The population was 607 as of 2018. There are 8 streets.GeographyBolshaya Sazanka is located on the Zeya River, 23 km northwest of Seryshevo by road. Voronzha is the nearest rural locality.