| Angarsk | Oblast d'Irkoutsk | Russie | 243,158 | 665800, 665801, 665804, 665806, 665808, 665809, 665811, 665813, 665814, 665816, 665819, 665821, 665824, 665825, 665826, 665827, 665828, 665829, 665830, 665831, 665832, 665833, 665834, 665835, 665836, 665838, 665841 |
| Biryul’ka | Oblast d'Irkoutsk | Russie | 592 | 666220 |
| Irkoutsk | Oblast d'Irkoutsk | Russie | 586,695 | 664000, 664001, 664002, 664003, 664005, 664006, 664007, 664009, 664011, 664012, 664013, 664014, 664017, 664018, 664019, 664020, 664022, 664023, 664024, 664025, 664026, 664027, 664029, 664031, 664033, 664035, 664037, 664039, 664040, 664042, 664044, 664045, 664046, 664047, 664048, 664049, 664050, 664053, 664055, 664056, 664057, 664058, 664059, 664073, 664074, 664075, 664076, 664078, 664079, 664080, 664081, 664082, 664510, 664961, 665805 |
| Oulan-Oude | Bouriatie | Russie | 360,278 | 370034, 670000, 670001, 670002, 670004, 670008, 670010, 670013, 670017, 670024, 670026, 670031, 670034, 670035, 670039, 670040, 670047, 670950, 670960, 670961, 670970, 670980 |
| Oussolie-Sibirskoïe | Oblast d'Irkoutsk | Russie | 85,900 | 665450, 665451, 665452, 665453, 665457, 665458, 665459, 665460, 665462, 665463, 665466 |