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Surname Duchan (Duchan
, Духан
) , worldwide, is quite a rare family name. The surname Duchan is characteristic of Eastern Europe, particularly Czechia, where it is quite a rare surname, Belarus, where it is a rare surname, and Ukraine. Measured by absolute frequency, it is the most numerous in Russia, Ukraine, and Indonesia. Very seldom, Duchan is the forename as well as the last name.