Roesbrugge is a small rural village in the Belgian province of West Flanders. Roesbrugge is the larger of two villages that make up the "deelgemeente" Roesbrugge-Haringe in the municipality of Poperinge. Roesbrugge is located in the northwestern part of Poperinge and in the northern part of Roesbrugge-Haringe. The town center is located along the Yser river. An old branch of this river, the Dode IJzer makes up the northern border of the town center. The built-up area extends across the Dode IJzer into the hamlet Beveren-Kalsijde, a settlement on the territory of Beveren-aan-de-IJzer in the municipality of Alveringem. The small village of Haringe is located one kilometer to the southwest of Roesbrugge; both make up the deelgemeente Roesbrugge-Haringe.