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Surname Gusan (Gusan
, Гусан
) , throughout the world, is quite a rare family name. The surname Gusan is characteristic of Moldova, where it is quite a common surname, Romania, where it is quite a rare surname, and Georgia, where it is a rare surname. In absolute terms, it is the most numerous in Eastern Europe, particularly Moldova, Romania, and Ukraine. Likewise, Gusan is the forename as well as the last name.