Walls of Piran, Defensive wall system in Piran, Slovenia.

The Walls of Piran (Piransko obzidje) consist of three successive defensive circuits built as the town expanded. The third wall, erected between 1470 and 1538, enclosed the whole peninsula and is almost entirely intact; its northern stretch is walkable, while the southern section lacks floors and stairs. Seven gates survive, including the Gothic Dolfin Gate of 1483 and the Renaissance Marčana Gate of 1534.

Construction of the walls began in the 7th century to defend the growing settlement. During Venetian rule in the 15th and 16th centuries, the system was expanded and reinforced.

The gates set into the walls display different architectural styles from various periods. Walking through them reveals how the town expanded and adapted across the centuries.

Access to the walls requires climbing a steep path, so wear proper footwear and allow extra time. The effort rewards you with views of the old town and coastline from above.

From the highest points of the walls, you can see across to the Italian coast on clear days. This view reveals how important the town's position was for controlling the Adriatic.