Dzhendem tepe is the biggest and highest of the seven Plovdiv

Plovdiv

Plovdiv is the second-largest city in Bulgaria after Sofia with a population of 338,153 inhabitants according to Census 2011. Plovdiv's history spans some 6,000 years, with traces of a Neolithic settlement dating to roughly 4000 BC; it is one of the oldest cities in Europe...

 hills. It is located in the western part of town.
In ancient times it was called the Mount of the Dryad

Dryad

Dryads are tree nymphs in Greek mythology. In Greek drys signifies 'oak,' from an Indo-European root *derew- 'tree' or 'wood'. Thus Dryads are specifically the nymphs of oak trees, though the term has come to be used for all tree nymphs in general...

 Nymphs. During the Bronze Age there was a settlement and\or a shrine on its top. There are reports that a huge bronze statue of the god Apollo

Apollo

Apollo is one of the most important and complex of the Olympian deities in Greek and Roman mythology...

 stood on top of the hill until late antiquity. In Roman times the main city temple, dedicated to Apollo Cendrisseos, was located there, which was turned into a large three-nave basilica in the 4th c. During the Ottoman period it was called Dzhin Tepe (hill of the spirits), which gradually changed to Djendem Tepe. It also called Chigdem Tepe (hill of the crocusses).

The hill has been declared a natural landmark.