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Last name Olja (Оля , Olja , Оља ) , all around the world, is a common cognomen. The cognomen Olja is habitual in Moldova, where it is quite a common surname, Belarus, and Turkmenistan, where it is quite a rare surname. Measured by absolute frequency, it most frequently occurs in Eastern Europe, particularly Russia, Belarus, and Moldova. More frequently, Olja is the forename as well as the last name.
Bega, Riipinen, Jankovic, Jevtovic, Ivanovic, Milanovic, Milosevic, Stankovic, Cvetkovic, Kovacevic, Petkovic, Petrović, Lazarevic, Jovanovic, Todorovic, Ivanović, Mladenovic, Stojanovic, Djordjevic, Milovanovic, Nedeljkovic, Dmitrovic, Petrovic, Pavlovic, Knezevic, Ilic, Savic, Babic, Radic, Gajic, Lazic, Tomic, Mandic, Stosic, Kavaja, Kostic, Popovic, Rakovic, Gakovic, Jovicic, Nikolic, Vukovic, Ivanova, Olivera, Markovic, Mirkovic, Stojković Ex Vraneš, and Dimitrijevic