Plovdiv has one of the country's largest economies and contributes 7.5% of Bulgaria's GDP . In 2014, more than 35 thousand companies operate in the region which create jobs for 285,000 people. The advantages of Plovdiv include the central geographic location, good infrastructure, and large population. Plovdiv has international airport, terminal for intermodal transport, several connections with Trakia motorway (connecting Sofia and Burgas), proximity to Maritsa motorway (the main corridor to Turkey), and well-developed road and rail infrastructure which all led to the development of the city as the leading city in terms of industrial output in Bulgaria. The economy of
History of Plovdiv In that period the richer citizens constructed houses, many of which can still be seen in the Architectural reserve "Old Plovdiv". The city was the capital of Rumelia Province between 1364–1864, and of Edirne province between 1864–1878 under Ottoman Rule. Plovdiv played a role in the struggle for Church independence. Plovdiv became the center of that struggle with leaders such as Nayden Gerov, Dr Valkovich, and Joakim Gruev. In 1836 the first Bulgarian school was inaugurated and in 1850 modern secular education began with the St Cyril and Methodius school. On 11 May 1858 the city celebrated the saints' day