Azerbaijani or Azeri Turkish has over 30 million speakers based in both Azerbaijan‏‎ and the surrounding countries.

It’s closely related to Turkish and is, to a certain extent, mutually understandable.

Although there are a couple of major varieties (Northern Azerbaijani and Southern Azerbaijani) and many local dialects, they do not differ substantially and speakers don’t usually have a problem understanding each other.

Northern Azerbaijani is spoken by…