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