Bulgaria Plovdiv

Plovdiv is the second-largest city in Bulgaria and is an important economic, transport, cultural, and educational center. Plovdiv's history spans 6,000 years, with traces of a Neolithic settlement dating to roughly 4000 BC,[3] ranking it among the world's oldest cities. The city has historically developed on seven syenite hills, and is often referred to in Bulgaria as "The City of the Seven Hills." There are many remains preserved from antiquity such as the ancient Plovdiv Roman theatre, Roman odeon, Roman aqueduct, Roman Stadium, the archaeological complex Eirene, and others. Additionally, intriguing museums and places of worship can be found throughout the city.

Hisarya is a small resort town in Bulgaria, in Plovdiv Province. It is situated at an elevation of 368m and located in the outskirts of the Sredna Gora mountain range. Hisarya has very mild climate and over two dozen mineral springs, which are visited by Bulgarian and foreign tourists. Its main attractions include the remnants of a well-preserved ancient Roman fortress.