Subregions- Armenia-Azerbaijan-Iran border region
 - Caspian Sea
- Caucasus region, Russia
- central Iran
- eastern Saudi Arabia
- Gulf of Oman
- Iran-Iraq border region
- northwestern Iran
- off the coast of Pakistan
- Persian Gulf
- southern Iran
- southwestern Pakistan
- Turkey-Iran border region
- Turkmenistan
- Turkmenistan-Afghanistan border region
- Turkmenistan-Iran border region
- Ural Mountains region, Russia
- western Afghanistan
- western Afghanistan
- western Iran
- western Kazakhstan
- western Uzbekistan
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