Cognomen Olcar (Olcar 
) , in the entire world, is quite a rare family name. The surname Olcar is habitual in Turkey, where it is quite a rare surname, Netherlands, where it is a very rare surname, and Germany, where it is an extremely rare surname. Measured by absolute frequency, the name is most common in Turkey, Netherlands, and the United States. Much less frequently, Olcar is the forename as well as the last name.
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