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In the world, Sinja (Sinja
, سنجا
, Синя
) is a rare largely female, but seldom male given name. The forename Sinja is habitual in Germany, where it is a rare female name, Austria, and Tanzania, where it is a very rare masculine name. In absolute terms, it is commonest in Germany, India, and Egypt. Also, Sinja is the last name as well as the forename.