Otsu is a city located in Shiga Prefecture, Japan, situated on the shores of Lake Biwa, the largest freshwater lake in the country. It serves as the capital of Shiga and is known for its rich history, beautiful landscapes, and cultural heritage. Otsu is also famous for its traditional festivals, such as the Otsu Matsuri, which features colorful floats and performances. The city is home to several historical sites, including the Enryaku-ji temple, a UNESCO World Heritage site that is part of the Tōhoku region's Buddhist heritage. Otsu offers a blend of modern amenities and traditional Japanese culture, making it a popular destination for both tourists and locals.