Alden Biesen is a 16th-century castle in the small village of Rijkhoven, municipality of Bilzen, province of Limburg, Belgium.
Wikipedia https://en.wikipedia.org/wiki/Alden_Biesen_Castle
Address 6 Kasteelstraat, 3740, Belgium
Coordinates 50°50'30.204" N 5°31'14.619" E