![Koules Fortress which includes a bay or harbour](https://a.travel-assets.com/findyours-php/viewfinder/images/res40/73000/73629-Koules-Fortress.jpg)
Source: Tourism Media
This sturdy stone fortress guarded Heraklion from Turkish invasion during Venetian times. Now the Rock of the Sea stands proud over the harbour, a true city icon.
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