Azerbaijan 🇦🇿

Baku (Azerbaijani: Bakı) is the capital of the Republic of Azerbaijan, the largest industrial, economic, scientific and technical center of Transcaucasia. It is also the largest port on the Caspian Sea and the largest city in the Caucasus. 

The first mention of the city dates back to the 5th century. In terms of its antiquity, size of territory and population, Baku is one of the oldest and largest cities in the East.