Osa, Irkutsk Oblast

Osa (Russian: Оса́, Buryat: Оһо, Oho) is a rural locality (a selo) and the administrative center of Osinsky District of Ust-Orda Buryat Okrug, Irkutsk Oblast, Russia. Population: 4,523(2010 Census); 4,486(2002 Census);