Chania's massive Venetian fortifications still ring the old town — walk the bastions, explore the moat, and get a feel for the city's layered and often turbulent history.
Chania's Venetian walls are easy to take for granted — they don't announce themselves the way the harbour does — but once you start paying attention to them, they're everywhere. Built and expanded by the Venetians from the 14th century onwards, the fortifications were designed to protect one of their most valuable Mediterranean outposts, and the scale of the engineering still impresses: thick bastions, a substantial moat, and gates that once controlled every entry point into the city. The Ottomans took Chania in 1645 after a two-month siege, and the walls bear the marks of everything that followed.
The most rewarding section to explore on foot runs along the south and west of the old town, where stretches of the moat have been converted into public parkland and you can walk along or beside the fortifications at a relaxed pace. The Schiavo Bastion is the best-preserved section and gives a good sense of the original scale. It's not a polished heritage attraction — there are no audio guides and signage is patchy — which is part of the appeal: this is just the fabric of the city, worn and layered and still in use.