High above the harbour at Livadia on Tilos, the Byzantine fortress known as Castellos keeps watch over the coast below. Its stone walls, now partly collapsed, still trace the outline of a stronghold built to command the natural harbour and the routes between shore and interior. Sites like this formed part of the medieval defensive network that once guarded the Dodecanese, and the choice of position mattered as much as the masonry. Standing among the ruined ramparts, you sense how geography itself became fortification in an age of coastal vigilance.
Coordinates and heritage data compiled in the Atika atlas.
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