From Stamps of the World
Vlaardingen is a city in South Holland in the Netherlands. It is located on the north bank of the Nieuwe Maas river at the confluence with the Oude Maas. The municipality administers an area of 26.69 km2 (10.31 sq mi), of which 23.64 km2 (9.13 sq mi) is land, with 71,972 residents in 2017. Vlaardingen nearby towns are Rotterdam and Schiedam.
Read more @ https://en.wikipedia.org/wiki/Vlaardingen