Považský hrad (other names: Hrad Bystrica, Bystrický hrad, Vágbeszterce vára, Waagburg, Bistrizza, Bestruche castrum) is a ruin of medieval castle on the right side of the river Váh, near Považská Bystrica in Slovakia. It is thought to be the essential part of silhouette of Považie and Upper Váh region especially. It is built on a cliff 497 meters above sea level. It was one of the most important castles guarding the valley of the river Váh. At the peak of its fame it was home of around 400 people. It is famously known as an "eagles nest" of the important Hungarian noble family of the Podmanitzky.