Places beginning with OS in Arkhangel'skaya Oblast', Russia:

Osanovo Oseredok Oseredok Oseredok Oseredok Oseredskaya Oshel'yeng Oshevenskiy Pogost Oshlap'ye Oshurkovo Osinovskaya Osinovskiy

Oskovskaya Osnovskaya Ostakhino Ostashëva Ostolopovskaya Ostrov Ostrov Ostrov Ostrova Ostrovki