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Trooz: main street, with the cliffs behind illuminated by the setting sun
Trooz: main street,
with the cliffs behind illuminated by the setting sun
Trooz is located in Belgium
Location in Belgium
Location of Trooz in Liège province
Trooz Liège Belgium Map.png
Coordinates: 50°34′N 05°41′E / 50.567°N 5.683°E / 50.567; 5.683Coordinates: 50°34′N 05°41′E / 50.567°N 5.683°E / 50.567; 5.683
CommunityFrench Community
 • MayorDenise Laurent (PS)
 • Governing party/iesPS, MR
 • Total24.20 km2 (9.34 sq mi)
 • Total8,172
 • Density340/km2 (870/sq mi)
Postal codes
Area codes04

Trooz is a Walloon municipality of Belgium in Province of Liege.

On July 1, 2012, Trooz had 8,432 registered inhabitants, of whom 4,199 were male and 4,233 female. The total area is 24.00 km² which gives a population density of 351 inhabitants per km².[2]

Trooz is situated on the Vesdre River, and is part of the GREOA (Groupement Régional Économique des vallées de l'Ourthe et de l'Amblève) regional grouping for economic purposes.

The municipality consists of the following sub-municipalities: Trooz proper, Forêt, Fraipont, and Nessonvaux.

Industrial heritage[edit]

The municipality includes several surrounding hamlets including Nessonvaux which is where, between 1904 and 1958, the Imperia company produced automobiles. The factory building survives. This building is one of two examples of test tracks on its roof. The other known roof test track is on the roof of the old Fiat factory in Turin, Italy.

The Imperia car factory at Nessonvaux, photographed in 2004: part of the 1928 roof-top test track can be seen on the right side of the building and has been ringed in this picture.

See also[edit]


  1. ^ "Wettelijke Bevolking per gemeente op 1 januari 2018". Statbel. Retrieved 9 March 2019.
  2. ^ "Chiffre global de la population par commune, statistiques fédérales issue du registre national (SPF intérieur)" (PDF). Archived from the original (PDF) on 19 April 2009. Retrieved 29 August 2012.

External links[edit]

  • Media related to Trooz at Wikimedia Commons