Regensburg, a city steeped in history, is renowned for its remarkably preserved medieval core. Situated at the confluence of the Danube, Naab, and Regen rivers, it's the capital of the Upper Palatinate subregion of Bavaria. The city's architectural heritage, including the Old Town of Regensburg with Stadtamhof, has earned it a place as a UNESCO World Heritage Site. Visitors can explore the ancient Roman fort remains, marvel at the Gothic St. Peter's Cathedral, or walk across the Stone Bridge, reflecting on the city's role as a political and cultural center through the ages.