History of Plovdiv it was re-conquered by George Terter II of Bulgaria in 1322. Byzantine rule was restored once again in 1323, but in 1344 the city was surrendered to Bulgaria by the regency for John V Palaiologos as the price for Ivan Alexander of Bulgaria's support in the Byzantine civil war. In 1364 the Ottoman Turks under Lala Shakhin Pasha seized Plovdiv. The Turks called the city "Filibe". It was the capital of Rumelia until 1382 when the Ottomans captured Sofia, which became the main city of the province. Plovdiv survived as one of the major cultural centers for Bulgarian culture and
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,