Koules Fortress

Look out toward the harbour entrance and you’ll see Koules Fortress standing guard over the old Venetian port. From this position, its role was simple but vital: controlling and protecting all maritime traffic entering the city. The fortress you see today was built by the Venetians around 1530, at a time when Heraklion was one of the Mediterranean’s key strategic ports. This made the fort an essential part of the city’s defensive system. Its architecture was designed specifically for warfare. With the arrival of artillery, the era of towering medieval walls was coming to an end, replaced by lower, thicker fortifications capable of withstanding cannon fire. The result is the massive, compact structure before you, with very few openings facing the sea. Koules functioned almost like a self-contained fortress. Inside, there were twenty-six rooms on the ground floor used to store food supplies, ammunition, and at times even prisoners. The officers lived upstairs, where the fort also included an oven, a mill, and a small chapel. If you walk out along the jetty and look closely at the outer walls, you can still spot the Winged Lion of Saint Mark, the emblem of the Venetian Republic. It’s a clear reminder of who ruled the city when the fortress was built. In the 17th century, after the Ottoman conquest, the fort continued to serve a military purpose. It was during this period that the name “Koules,” meaning simply “the tower,” became widely used and has remained ever since. But above all, the importance of this place lies in its position. With the open sea on one side and the harbour and city on the other, nothing could enter or leave unnoticed. Today, the fortress is open to visitors. Inside, you can better understand how the building once functioned, but it’s the panoramic views from the ramparts that leave the strongest impression. And if you continue your walk along the jetty, you’ll come across a steel mermaid sculpture that perfectly completes this meeting point between land and sea.