Tower 4 architecturally belongs to the Upper compound of the Inner Fort of the fortification, constructed at an earlier date. It is an enclosed 5-storey building, which suggests that the upper storeys may have served as a accommodation for the army. On the second storey there is a chapel with a decorated and nicely finished entrance.
A semi-circular niche above the entrance held the icon of the town’s patron saint. Archaeological excavations of the storeys above the chapel have uncovered numerous arrowheads (the largest number of arrowheads and veretons, roughly 7,000 in total, came from towers 3 and 4), as well as parts of segmented armour.
Zone: Blue zone | Level of accessibility: moderately challenging
Content: Exhibition area