Halmyris, Roman fort and settlement in Murighiol, Tulcea County, Romania

Halmyris is a Roman military fort at the Danube Delta with exposed stone walls, gates, and defensive towers that define its boundaries. The excavated remains include barracks, bathhouses, residential quarters, and an early Christian basilica that served as a religious center for the garrison community.

Emperor Trajan ordered the fort's construction in the 2nd century AD to secure the empire's frontier and control river traffic. The garrison remained active for several centuries before abandonment occurred during the 7th century.

The basilica was built to honor two early martyrs whose venerated remains were housed there. The site draws visitors interested in how Roman military history and early Christianity intersected in this remote location.

The excavation site sits in a wet deltaic marsh environment, so sturdy footwear and weatherproof clothing are advisable. A guided tour helps interpret the various structures and their original functions more effectively.

The vicus classicorum beside the fort, a village of sailors of the Classis Flavia Moesica, is attested by an inscription described as without parallel in the Roman Empire. The site also held a bishopric and ranked among the fifteen most important towns of Scythia Minor. Look for the north gate, rebuilt in the 280s with two U-shaped towers flanking a 6.15 m vaulted passage, using tombstones and votive altars from the early necropolis as building stone.