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Surname Bania (Bania
, بانيا
, Баня
) , all over the world, is a common cognomen. The family name Bania is habitual in Poland, where it is quite a rare surname, Greece, and India. Not in comparison with a country's population, it is the most numerous in India, Poland, and Philippines. Very seldom, Bania is the forename as well as the last name.