Heraklion Sights & Monuments - The Castle of Koules in Heraklion, Crete is a historic landmark situated at the harbor and is a symbol of the town. Originally built by the Venetians in the 13th century after their conquest of the area, this two-story castle made of stone functioned as a stronghold to safeguard the port. The Castle of Koules served as both officers' quarters and a prison, but was destroyed by an earthquake in 1303 and subsequently rebuilt by the Genoese. It underwent restoration in the 14th century, and during the Ottoman occupation, it was converted back into a prison. Unfortunately, many Cretan heroes who fought against the Ottomans were imprisoned and met their end in the castle's dark dungeons. Today, the Castle of Koules in Heraklion, Crete draws numerous locals and tourists alike who come to explore its rich history and proximity to Heraklion.

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