Houthulst

Houthulst (; , ) is a municipality located in the Belgian province of West Flanders. The municipality consists of the sub-municipalities Houthulst, Jonkershove, Klerken and Merkem. On January 1, 2006, Houthulst had a total population of 9,051. The total area is 55.89 km² which gives a population density of 162 inhabitants per km².

Merkem is a town in the Belgian province West Flanders. It is a part (deelgemeente) of the municipality of Houthulst.

Klerken is a village in Province of West Flanders in Belgium. It forms a part of the commune of in Houthulst. It was first mentioned in a letter by Arnulphus the Elder from 961 and the village's archives survive from as early as 1653.