Louvain Castle, also known as Kasteel van Leuven, is a historic fortress located in the city of Leuven, Belgium. Originally built in the 12th century, it served as a residence for the counts of Louvain and played a significant role in the region's history. The castle features a mix of architectural styles, reflecting its long history and various renovations over the centuries. Today, Louvain Castle is a popular tourist attraction, offering visitors a glimpse into medieval life. The surrounding park provides a scenic area for relaxation and exploration, making it a favorite spot for both locals and tourists alike.