Katwijk aan Zee is a seaside resort located on the North Sea at the mouth of the Oude Rijn. It is situated in the municipality of Katwijk and the province of South Holland.
Wikipedia https://en.wikipedia.org/wiki/Katwijk_aan_Zee
Official Website https://www.katwijk.nl/
Coordinates 52°12'1.828" N 4°24'52.694" E