Mediana, Ancient Roman complex in Niš, Serbia

Mediana is an ancient Roman complex near Niš featuring remains of residential buildings, thermal baths, storage structures for grain, and other facilities spread across the site. The ruins lie close to the Nišava River and show the layout and construction typical of a large estate from late antiquity.

The estate was founded between 306 and 337 as an imperial property and served as an important administrative center for the Roman state. It was destroyed in 441 by Hunnic forces and subsequently abandoned.

Mediana's name comes from the Latin ad Mediana, referring to the estate's position 3.5 Roman miles from Naissus. The site was a working agricultural fundus supplying the municipium before the 4th-century conversion into a summer residence near the thermal springs of Niška Banja. Remetalkes, a friend of Constantine holding the title διασημότατος, probably began the lavish complex and lent it to emperors and officials.

The park lies in Niš's eastern suburb, halfway to Niška Banja, beside the old road toward Sofia. It reopened to visitors in late December 2022 after ten years closed for new excavations, mosaic conservation and the laying of access paths. Bus line 4 stops near the Church of St. George, about a ten-minute walk from the entrance.

The estate was not just a residence but also served as a tax collection and food distribution hub that supplied the army and imperial court. This dual function made it a vital node in late Roman administration across the region.