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Family name Kostsov (Косцов
, Kostsov
) , globally, is quite a rare cognomen. The surname Kostsov is habitual in Belarus, where it is quite a rare surname, Russia, where it is a rare surname, and Estonia. Measured by absolute frequency, the name is most common in Eastern Europe, particularly Russia, Belarus, and Ukraine.
VARIANT | COUNTRY |
---|---|
Косцов | Belarus, Russia, Kazakhstan, Ukraine |
Kostsov | Belarus, Russia, Estonia |