Dubrovnik Fortress, also known as the City Walls of Dubrovnik, is a historic fortification located in Dubrovnik, Croatia. Built between the 12th and 17th centuries, it was designed to protect the city from invasions. The fortress features impressive stone walls that stretch nearly 2 kilometers, offering stunning views of the Adriatic Sea and the surrounding landscape. The fortress is a UNESCO World Heritage Site and is one of the best-preserved medieval fortifications in the world. Visitors can walk along the walls, exploring various towers and bastions, while learning about the rich history of Dubrovnik and its significance in the region.