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Globally, דוקה (Duca , Doku , Dokou ) is quite a rare epicene first name. The first name דוקה is habitual in Ghana, where it is quite a rare gender-neutral name, Romania, and Serbia, where it is a rare feminine name. Not in comparison with a country's population, the name is most common in Ghana, Italy, and India. More frequently, דוקה is the last name as well as the forename.
דוקה is also a name for the fictitious and mythical characters: Duca Lamberti , the literary figure and Duca d'Alziras , the operatic character in the opera La zingara by Gaetano Donizetti.