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In all the world, Радка (Radka , Радка ) is a common female given name. The forename Радка is characteristic of Eastern Europe, particularly Bulgaria, where it is a common female name, Czechia, where it is quite a common female name, and Slovakia. Much less frequently, Радка is the last name as well as the forename.
Радка is also a name for the fictitious and mythical characters: Radka , the operatic character in the opera Šárka by Leoš Janáček and Radka , the operatic character in the opera Šárka by Zdeněk Fibich.