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Surname Бирсак (Бирсак , Birsak ) , all around the world, is a rare cognomen. The family name Бирсак is characteristic of Austria, where it is quite a rare surname, Netherlands, where it is a rare surname, and Singapore, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Austria, Netherlands, and Indonesia.
VARIANT | COUNTRY |
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Бирсак | Ukraine, Russia |
Birsak | United States, Singapore, Austria, Indonesia, Netherlands |