The Bay of Kotor carves twenty-eight kilometres into Montenegro's limestone spine, Europe's southernmost fjord and the only one framed by medieval fortifications rather than Nordic pine. Albanian travellers discovered the route in the early 2000s when border formalities eased, and by 2010 the Tirana–Shkodër–Kotor corridor had become the Balkans' most trafficked cross-border day route, pulling thirty thousand visitors annually from the capital to a coastline that feels lifted from the Italian Riviera yet costs half the price. Kotor's Old Town holds 1,200 years of Adriatic history compressed into a 0.5-square-kilometre grid, its ramparts climbing 260 metres to the fortress of San Giovanni in a zigzag of 1,350 steps. Byzantine mosaics gave way to Venetian Gothic when the Republic of Venice claimed the bay in 1420, and the architecture froze there — limestone palazzi, Orthodox bell towers crowned with copper, and the Cathedral of Saint Tryphon, consecrated in 1166 and rebuilt after the 1667 earthquake that levelled half the Dalmatian coast. UNESCO inscribed the bay in 1979, citing its "outstanding universal value" as a natural harbour shaped by tectonic collapse and a cultural crossroads where Latin and Byzantine traditions fused without erasing one another. Budva's Stari Grad occupies a thumb of land 0.4 kilometres wide, its walls dating to the fifth century BC when Illyrian settlers raised the first citadel on a Greek trade route. Romans followed, then Slavs, then Venetians who rebuilt the fortifications after the 1979 earthquake — Montenegro's worst in four centuries — reduced eighty per cent of the old quarter to rubble. Restorers used original limestone blocks and medieval construction techniques, a painstaking decade-long effort that earned the town a Europa Nostra award in 1987. Today Budva balances heritage conservation with Adriatic resort development, its fifteen beaches drawing two hundred thousand summer visitors while the old town remains a working neighbourhood, not a museum set. Sveti Stefan, three kilometres south, is a fifteenth-century fishing islet converted into a luxury resort in 1960, its pink stone villas and terracotta roofs visible only from the coastal road or the public beaches flanking the causeway. The islet is closed to non-guests, but the view alone — a fortified village floating in cyan water — justifies the detour and anchors every Tirana to Montenegro day tour itinerary as the coast's signature postcard moment.