Heerlen is a city in Limburg in the south east of the Netherlands. The old name of the city in ancient times was Coriovallum. From ancient times it was a Roman hub. This expanded into the city it is presently. Currently Heerlen has become a part of a new larger project city called Parkstad Limburg. Working together with cities: Brunssum, Kerkrade, Landgraaf, Onderbanken, Nuth, Simpelveld en Voerendaal on operational level.
