Herstal, formerly known as Heristal, or Héristal, is a municipality and city of Wallonia located in the province of Liège, Belgium. It lies along the Meuse river. Herstal is included in the "Greater Liège" agglomeration, which counts about 600,000 inhabitants. The municipality consists of the following districts: Herstal, Liers, Milmort, and Vottem. From Wikipedia