Kremsmünster Abbey is a Benedictine monastery located in the town of Kremsmünster in Upper Austria, Austria. The monastery was founded in 777 AD by Tassilo III, Duke of Bavaria, and was granted immunity by the Holy Roman Emperor Otto III in 996. The abbey has a rich history and has been home to many notable scholars, artists, and musicians.

The monastery's Baroque church is one of the most magnificent in Austria, with a richly decorated interior featuring frescoes, stucco work, and marble sculptures. The church also contains a large organ, built in 1702, which is one of the oldest playable organs in Europe. The monastery's library is also a notable attraction, with a collection of over 200,000 volumes, including many rare and ancient texts.

In addition to its religious and cultural heritage, Kremsmünster Abbey is also known for its agricultural and scientific pursuits. The abbey has a large farm, which produces a variety of crops and livestock, and has been a center of scientific research for centuries. The abbey also houses a natural history museum, which features a collection of fossils, minerals, and other specimens from the region.

Today, Kremsmünster Abbey is still home to a community of Benedictine monks who continue to preserve its rich cultural and spiritual traditions. The abbey is open to visitors and offers guided tours of its church, library, and museum, as well as opportunities to attend daily mass and other religious services.