Meaning any indication of the future (especially favorable) is from 1650s; earlier (1630s) in extended sense of benevolent influence of greater power, influence exerted on behalf of someone or something, originally in expression under the auspices of.
The King of Prussia Mall is located in the community of King of Prussia in Upper Merion Township, Montgomery County, Pennsylvania, 20 miles (32 km) northwest of Philadelphia.
On maps as of January 2015, Prussia is where Germany is. At its height, the Prussian empire extended up to the Baltic and North seas, from Belgium, the Netherlands, and France to Russia, and to Austria and Hungary. Keep Learning.