The commune Alveringem lies on Belgium's border with France and 15 kilometers inland from the coast. It has a population of 5,000.
Beveren-aan-de-Ijzer, Gijverinkhove, Hoogstade, Izenberge (Ysenberghe), Leisele (Leysele), Oeren, Sint-Rijkers, and Stavele are boroughs within the municipal district of Alveringem.