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Globally, Дуца (Duca , Дуца , Dutca ) is a rare unisex first name. The given name Дуца is characteristic of Romania, where it is quite a rare gender-neutral name, Bulgaria, where it is quite a rare feminine name, and Serbia, where it is a rare girly name. In absolute terms, it is commonest in Italy, Romania, and Bulgaria. More prevalently, Дуца is the last name as well as the forename.
Дуца 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.