Tatars, Talyshs, Uts, Lezgins and other tribes and tribes) were called “Azeri”, said to be a resident of Azerbaijan. Prior to that time, the people were commonly referred to as “Tatars”, “Azeri Tatars”  and “Caucasian Tatars” . The ancient Azerbaijani name is mentioned in the ancient Iranian sources as “Atrpatakan” (which is explained in
two forms in scientific literature: Atrpat’s domain or temple of fire), and until the 20th century it referred exclusively to the area south of Araks. first to some parts of the country of Manna, then Marastan, Iran (historical names of Persia). Famous orientalist academician Vasily Bartold mentioned this place: As Atrpatakan’s population was predominantly
came a significant part of the population of the Eastern Transcaucasus, assuming that these Turkic-speaking formations north and south of Araks would unite within a single state, the term “Azerbaijan” also applies 26]. The identity of the two different geographical units often gives rise to confusion and misunderstanding, which is why today it is common to
call the Transcaucasian in Northern Azerbaijan and the Iranian in Southern Azerbaijan. This circumstance is now used by various states in accordance with their political interests, such as in Azerbaijan and a number of other countries.
Since the Azeri name has been used as a separate ethnic and extraterrestrial entity since the USSR Central Committee’s decision in 1936, which concerned only present-day Azerbaijan, the inhabitants of the territory considered to be an administrative part of any other country cannot be officially named one way or another, and the Northern and Southern Azeris alike.