Perušić Old Town & Turkish Tower

Perušić is a small crossroads village in the middle of the Lika plain but its ruined old town has one of the most unusual histories in Croatia — for two centuries this was Ottoman soil. Captured in 1522 by the Sultan's forces, it remained the northernmost Ottoman outpost in Europe until 1689, when the Habsburgs finally pushed the frontier back to the Sava. The Turks left behind a square stone tower with distinctive machicolations and small pointed windows, and the settlement's core Muslim families converted to Catholicism after 1689 rather than retreat — a highly unusual outcome that gave Perušić one of the most genetically distinctive populations in Croatia. Today the tower is roofless but standing, the settlement wraps around it in a small labyrinth of stone houses, and a modest local museum in the old school-house explains the frontier story with maps and Ottoman-era ceramics. Free-access ruins; combine with a visit to the nearby Samograd Cave and to Lika's most famous restaurant Vila Velebita in Kosinj for local trout, potato-and-cabbage stew and a shot of homemade quince rakija. Twenty minutes off the A1 motorway.