Plovdiv city was originally a Thracian settlement and subsequently was invaded by Persians, Greeks, Celts, Romans, Goths, Huns, Bulgars, Slavs, Rus people, Crusaders, and Turks. On 4 January 1878, Plovdiv was liberated from Ottoman rule by the Russian army. It remained within the borders of Bulgaria until July of the same year, when it became the capital of the autonomous Ottoman region of Eastern Rumelia. In 1885, Plovdiv and Eastern Rumelia joined Bulgaria. Plovdiv is situated in a fertile region of south-central Bulgaria on the two banks of the Maritsa River. The city has historically developed on seven syenite hills, some
Economy of Plovdiv which employs 300 high-qualified personnel. Another significant factory is Saninelli which produces cloth and has 1,400 employees. Plovdiv is the seat of one of the oldest breweries in the country, Kamenitza, founded in 1881. Currently Kamenitza is the leading national beer company with market share of 18%. The brewery is situated in the Eastern district and employs 650 workers. Due to the growing demand for business office space Business Park Plovdiv is going to be constructed in the district of Trakiya. The investment is for €68,000,000 and the future park will occupy a built area of 110,000 m². A commercial