Mura antiche e Porta Alfonsina

Otranto's historic defences combine the city walls, the Porta Alfonsina and the Aragonese castle. Within the circuit, megalithic wall remains point to an early layer of settlement, while later masonry records the rebuilding of the city after the Ottoman capture of 1480.

Why it matters

The walls and castle form an interconnected defensive complex rather than isolated monuments. The municipal heritage account includes the megalithic remains and Porta Alfonsina among Otranto's ancient defences. Together, these elements show how the city's coastal position shaped its fortifications over many centuries.

What to notice

Porta Alfonsina marks the historic entrance beside the city walls. The circuit incorporates surviving megalithic blocks with later medieval and Aragonese masonry. The castle originally had a quadrilateral plan and four rounded artillery towers, reflecting late-fifteenth-century military design. The moat and bridge, together with later bastioned works, reveal successive adaptations to changing siege technology.

Context and history

The Ottoman capture of 1480 damaged Otranto's defences and was followed by a period of reconstruction under Aragonese rule. The castle's late-fifteenth-century form is associated with designs influenced by Francesco di Giorgio Martini. Its defences were strengthened during the sixteenth century, including new facings, a triangular bastion and a sea-facing projection. The name Porta Alfonsina recalls the Aragonese rebuilding of the city.