Subregions- Buryatiya, Russia
 - central Mongolia
- Chitinskaya Oblast', Russia
- eastern Kazakhstan
- eastern Mongolia
- Irkutskaya Oblast', Russia
- Kazakhstan-Xinjiang border region
- Lake Baykal region, Russia
- Mongolia-China border region
- northern Xinjiang, China
- Russia-Kazakhstan border region
- Russia-Kazakhstan-Xinjiang border region
- Russia-Mongolia border region
- southwestern Siberia, Russia
- western Mongolia
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