Grâce-Hollogne is a municipality of Wallonia located in the province of Liège, Belgium. The municipality is effectively a part of the greater Liège conurbation, separated from Liège city centre by the municipality of Saint-Nicolas. Included within its boundaries is Liège Airport.
On 1 January 2006 Grâce-Hollogne had a total population of 21,753. The total area is 34.24 km2, which gives a population density of approximately 635 inhabitants per km2.
Wikipedia https://en.wikipedia.org/wiki/Grâce-Hollogne
Official Website http://www.grace-hollogne.be/
Coordinates 50°37'56.294" N 5°28'36.637" E