Mljet National Park, located on the island of Mljet in southern Croatia, is one of the country’s most treasured natural reserves. At this attraction, visitors can explore lush forests, saltwater lakes, and historic sites while enjoying the tranquility of the Adriatic landscape. Activities include hiking scenic trails, cycling, kayaking on Veliko and Malo Jezero, swimming, and visiting the 12th‑century Benedictine monastery on St. Mary’s islet. Notably, Mljet was established in 1960 as Croatia’s first marine protected area, covering nearly 5,300 hectares, and is celebrated for its biodiversity, cultural heritage, and serene environment that blends nature with history.