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 Frankfurt) in 2015 after two years of stable operation. The government have started the first concession procedure back in 2011, but there were no candidates for it. The second attempt for the concession was made in the spring of 2016 when the government have opened a tender for a 35 years concession of the airport, but the tender was shortly cancelled for non-compliance with European rules. In December 2016 the government opened the 3-rd tender for the concession. In the new procedure 3 companies have made the bid for the airport - Silk Road Plovdiv Airport, Consortium Plovdiv Airport