Plovdiv Plovdiv Plovdiv (, ) is the second-largest city in Bulgaria, with a city population of 345,213 and 675,000 in the greater metropolitan area. It is an important economic, transport, cultural, and educational center. There is evidence of habitation in Plovdiv dating back to the 6th millennium BCE, when the first Neolithic settlements were established; it is said to be one of the oldest cities in Europe. During most of its recorded history, Plovdiv was known in the West by the name "Philippopolis" (; ; "Philip's Town") after Philip II of Macedon conquered the city in the 4th century BCE. The
Plovdiv Airport and a tie-up between Hainan and Plovdiv Airport Invest. On 28 March 2018, Bulgarian Government awarded the consortium of HNA Group and Plovdiv Airport Invest a 35-year-long concession on Plovdiv airport in return for investments reaching €79 million, including a new cargo and passenger terminal. On 19 of July the consortium of HNA Group and Plovdiv Airport Invest have declared that it won't sign the concession contract which opens the road for the classified on the second place to take the concession. On the west side of the airport is located 24th Helicopter Air Base of the Bulgarian Air Force,