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Last name Blabla (Blabla , بلابلا) , worldwide, is quite a rare surname. The last name Blabla is characteristic of Czechia, where it is quite a rare surname, Lithuania, where it is a rare surname, and Belgium. Not in comparison with a country's population, it is commonest in Indonesia, France, and Czechia. Also, Blabla is the forename as well as the last name.