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
History of Plovdiv tradition. The name "Plovdiv" first appeared around that time and is derived from the city's Thracian name "Pulpudeva" (assumed to be a translation of Philippopolis, from Pulpu = Philippou and deva = city), which was rendered by the Slavs first as "Pəldin" ("Пълдин") or "Pləvdin". Under the rule of the Ottoman Empire, Plovdiv was a focal point for the Bulgarian national movement. During that period Plovdiv was an economic center along with Constantinople, Odrin and Thessaloniki. Due to trade, the emerging Bulgarian bourgeoisie became significant in the society. Trading with Russia and Europe these people experienced political and cultural influences.