Dubrovnik, called "The pearl of Adriatic" is the most famous croatian city and the biggest tourist attraction. Dubrovnik is a historical city in southern Croatia facing the Adriatic Sea. It's known for its fortified Old Town, surrounded with massive stone walls completed in the 16th century. Its well-preserved buildings range from baroque St. Blaise Church to Renaissance Sponza Palace and Gothic Rector’s Palace, now a history museum. Paved with limestone, the pedestrianized Stradun is lined with shops and restaurants. In 1979, the city of Dubrovnik joined the UNESCO list of World Heritage Sites.