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Cognomen Guergana (Гергана , Guergana ) , in all the world, is quite a rare family name. The last name Guergana is habitual in Bulgaria, where it is quite a common surname, and Spain, where it is a very rare surname. More frequently, Guergana is the forename as well as the last name.
Mihov, Koytcheva, Kehayova, Krasteva, Ploskova, Lyuvenova, Todorova, Terzieva, Nikolova, Stefanova, Stoyanova, Anguelova, Barabonkova, Borissova, Rangatcheva, Tritchkova, Haratchereva, Ouzounova, Yordanova, Stoyantcheva, Stoytcheva, Panayotova, Boyanova, Andreeva, Mihaylov, Zabounova, Smith, Tlays, Mileva, Savova, Sedeva, Cochet, Garcia, Gregor, Tomova, Tileva, Tcholakova, Nedeva, Ianeva, Mitrova, Steward, Schmitt, Petrova, Petkova, Guineva, Guizdova, Enikova, Ivanova, Ilieva, and Gueorguieva