Understand
Previously Heerlen, Kerkrade, Landgraaf and Brunssum where known in the Netherlands as Oostelijke Mijnstreek. This name was inherrented by the numerous coal mines in the area. And later by getting the addition of Simpelveld, Onderbanken, Nuth and Voerendaal the name changed into Parkstad Limburg.
A lot of the time you will see Parkstad with the addition of the city name eg. Parkstad Heerlen.
