Where is Ostrov?

Ostrov - Velikozimenovo Ostrov - Turovku Ostrov - Velikie Gai Ostrov - Podgorodnoe Ostrov - Zheleznodorozhnuyu Stanciyu Volochisk Ostrov - Hatki Ostrov - Zheleznodorozhnuyu Stanciyu Podvolochisk Ostrov - Seredinki Ostrov - Myshkovichi Ostrov - Zheleznodorozhnuyu Stanciyu Zborov Ostrov - Velikuyu Ber Zovicu Ostrov - Zheleznodorozhnuyu Stanciyu Kurniki Ostrov - Avtovokzal Ternopol Ostrov - Draganovku Ostrov - Velikuyu Luku Ostrov - Zhd Vokzal Ternopol Ostrov - Aeroport Ternopol Ostrov - Bucnev Ostrov - Kuripov Ostrov - Cerkov Presvyatoi Troicy V Beneve Ostrov - Zheleznodorozhnuyu Stanciyu Korshev Ostrov - Velikii Govilov Ostrov - Moskovei Ostrov - Petrikov Ostrov - Lemeshov Ostrov - Stadnyu