Mljet National Park is located on Mljet Island in Croatia. Established in 1960, it covers about 5,375 hectares and is known for its stunning natural beauty, including dense forests, crystal-clear lakes, and diverse wildlife. The park features two saltwater lakes, Veliko Jezero and Malo Jezero, which are popular for swimming and kayaking. Visitors to Mljet National Park can explore numerous hiking and biking trails that showcase the island's rich flora and fauna. The park is also home to historical sites, including a 12th-century Benedictine monastery on St. Mary Island, offering a glimpse into the region's cultural heritage.