Bayan () is a rural locality (a selo) in Dzhidinsky District, Republic of Buryatia, Russia. The population was 40 as of 2010.Всероссийские переписи населения 2002 и 2010 годов There are 2 streets.
Geography Bayan is located 12 km southwest of Petropavlovka (the district's administrative centre) by road. Bulyk is the nearest rural locality.Расстояние от Баяна до Петропавловки
References