Erpeldange-sur-Sûre is a commune and small town located in the north-eastern region of Luxembourg. It is situated along the river Sûre, positioned geographically between the towns of Ettelbruck and Diekirch.
The municipality is part of the canton of Diekirch. It serves as a local settlement within the country's northeastern landscape, defined by its proximity to the Sûre river waterway.