Valkenburg means falcon castle in Dutch and can refer to:* Valkenburg aan de Geul - a town in the province of Limburg (Netherlands), the southern-most Dutch province. Valkenburg (South Holland) - a village in the province of South Holland, municipality of Katwijk an Zee, lying close to the North Sea, northeast of The Hague. Valkenburg Naval Air Base - a former Royal Netherlands Navy air base.… (More on Valkenburg)