Hikone Castle is a historic Japanese castle located in Hikone, Shiga Prefecture. Built in 1603, it is one of the few original castles in Japan that has survived the test of time. The castle features a unique architectural style and is surrounded by beautiful gardens, making it a popular tourist destination. The castle is designated as a National Treasure of Japan and is part of the Historic Monuments of Ancient Kyoto UNESCO World Heritage Site. Visitors can explore its well-preserved structures and enjoy panoramic views of Lake Biwa from the top of the main keep.