| Irba - Altay Territory (Altaskiy Kray) |
Irbatyrov - Chelyabinsk Oblast’ |
Irbitskiy - Sverdlovsk |
| Irba - Krasnoyarsk Krai (Krasnoyarsk Kray) |
Irbek - Tuva (Tyva) |
Irbitskiye Vershiny - Sverdlovsk |
| Irba - Novosibirsk Oblast’ |
Irbeyskoye - Krasnoyarsk Krai (Krasnoyarsk Kray) |
Irbizino - Novosibirsk Oblast’ |
| Irba-Pavlovskaya - Altay Territory (Altaskiy Kray) |
Irbit - Sverdlovsk |
Irboska - Pskov Oblast’ |