Kloster St. Gallen, or the Abbey of Saint Gall, is a historic monastery located in St. Gallen, Switzerland. Founded in the 7th century by Saint Gall, it became a center of learning and culture during the Middle Ages. The abbey is renowned for its impressive library, which houses numerous ancient manuscripts and texts. The abbey complex features stunning architecture, including the Abbey Church, a UNESCO World Heritage site. The library is one of the oldest in the world, showcasing the rich history of monastic scholarship. Today, Kloster St. Gallen remains an important cultural and educational institution.