There is one place named Ostrog in Ukraine.
All places in the world called "Ostrog".
Ivanovka (22)
Antonovka (21)
Aleksandrovka (20)
Mikhaylovka (20)
Kamenka (20)
Nikolayevka (19)
Tarasovka (19)
Kalinovka (19)
Andreyevka (19)
Semënovka (18)
Maryanovka (18)
Fedorovka (18)
Alekseyevka (18)
Pavlovka (17)
Dmitrovka (17)
Krasnoye (17)
Sofiyevka (16)
Konstantinovka (16)
Bogdanovka (16)
Popovka (16)
Ulyanovka (16)
Vasilyevka (15)
Berëzovka (15)
Sosnovka (15)
Stepanovka (15)
Zhovtnevoye (15)
Vladimirovka (15)
Grigoryevka (14)
Novosëlka (14)
Gorodishche (14)