International Fair Plovdiv International Fair Plovdiv International Fair Plovdiv (), held in Plovdiv, is Bulgaria's largest and oldest international trade fair. It was established in August 1892 as an industrial and agricultural show. During its first year, the Plovdiv Fair had an exhibition area of 90,000 m², participants from 24 countries and 162,000 visitors during its two and a half months. A National Industrial Exhibition was organized in 1933 that had 424 exhibitors and 120,000 visitors, being the first sample fair in Plovdiv. A second followed in 1934, when the Plovdiv Fair was proclaimed permanent and the only in Bulgaria on 16 May.
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,