Castelgrande is a historic castle located in the city of Bellinzona, Switzerland. It is one of the three main castles in the region, recognized for its impressive architecture and strategic position on a hill. The castle dates back to the 13th century and has been a significant military stronghold throughout its history. The castle is part of the Bellinzona UNESCO World Heritage Site, which includes the other two castles, Montebello and Sasso Corbaro. Visitors can explore its well-preserved walls, towers, and panoramic views of the surrounding landscape, making it a popular destination for tourists and history enthusiasts alike.