Mauthausen is a small town located in the Mühlviertel region of Upper Austria. The town is best known for being the site of the Mauthausen concentration camp during World War II, which was one of the largest and most brutal Nazi concentration camps. Today, the town is a somber reminder of the atrocities that took place during that time, with the former camp now serving as a memorial and museum. In addition to its historical significance, Mauthausen is also known for its picturesque setting along the Danube River. The town is surrounded by rolling hills and lush greenery, making it a popular destination for outdoor enthusiasts. Visitors can explore the scenic countryside on hiking and biking trails, or take a leisurely stroll along the riverbanks.