There are many preserved ruins such as the ancient Plovdiv Roman theatre, a Roman odeon, a Roman aqueduct, the Plovdiv Roman Stadium, the archaeological complex Eirene, and others.
The city has historically developed on seven syenite hills, some of which are 250 metres (820 feet) high.
and objects of everyday life on Nebet Tepe from as early as the Chalcolithicera , showing that at the end of the 4th millennium BCE, there was already an established settlement there which was continuously inhabited since then. Ten years after the Macedonian invasion, the Thracian kings started to exercise power again after the Odrysian Seuthes III had re-established their kingdom under Macedonian suzerainty as a result of a somehow successful revolt against Alexander the Great's rule resulting in a stalemate.
In 183 BCE, Philip V of Macedon conquered the city, but shortly after, the Thracians re-conquered it.
Gentle winds (0 to 5 m/s) are predominant in the city with wind speeds of up to 1 m/s, representing 95% of all winds during the year.
Mists are common in the cooler months, especially along the banks of the Maritsa.