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Family name Коштоян (Коштоян , Koshtoyan ) , across the world, is a rare last name. The surname Коштоян is habitual in Eastern Europe, particularly Russia, where it is a rare surname, and Ukraine, where it is a very rare surname. Also, Коштоян is the forename as well as the last name.
VARIANT | COUNTRY |
---|---|
Коштоян | Ukraine, Russia, Armenia |
Koshtoyan | Russia |