Atropatene

Atropatene (originally known as "Atropatkan" and "Atorpatkan" ) was an ancient kingdom established and ruled under local ethnic Iranian dynasts first with "Darius" of Persia and later "Alexander" of Macedonia, starting in the 4th century BC and includes the territory of modern-day Iranian Azarbaijan and Iranian Kurdistan. Its capital was Gazaca. Atropatene also was the nominal ancestor of the name Azarbaijan.

Read more about Atropatene:  History, List of Rulers