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Family name Birtas (Birtas ) , across the world, is a rare surname. The cognomen Birtas is habitual in Romania, where it is quite a rare surname, Greece, where it is a rare surname, and Spain, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Romania, Greece, and the United States. Very seldom, Birtas is the forename as well as the last name.
VARIANT | COUNTRY |
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Birtas | Romania, Greece, Spain, India, United States |