125-052 is a part of the River Danube in the region of eastern Austria and northeastern Hungary. It is one of the most important and magnificent parts of the river, featuring an array of cultural and natural sights, including castles, ancient ruins, monasteries, abbeys, vineyards, and wooded hills. There are also several boat and fishing tours available along this stretch. In addition, the area is home to a large number of plants and animals, making for an interesting and rewarding place to explore.