Susteren (Limburgish: Zöstere) is a city in the Dutch province of Limburg. It is located in the municipality of Echt-Susteren, about 7 km northwest of Sittard. It was a separate municipality until 2003, when it was merged with Echt. Susteren received town privileges in 1276.
Susteren harbours a Benedict monastery, Abbey Susteren, that was founded in the 8th century. It was raised to the status of a basilica in 2007 from pope Benedict XVI. There is a museum ‘t Stift next to the Abbey. There is the castle Eyckholt, and the mill Dieterdermolen, typical River Meuse valley farms like the Hommelhof.