Ploemeur, also frequently spelled as Plœmeur, is a commune located in the Morbihan department within the Brittany region of north-western France. The town serves as a western suburb of the city of Lorient.
The commune is situated in a coastal area characterized by its proximity to major regional urban centers. It maintains its identity as part of the local administrative landscape of the Morbihan department while functioning as a residential and geographic extension of the Lorient metropolitan area.