Input (grade 12): In the east it borders the German state of Niedersachsen (districts of Leer and Emsland), in the south Drenthe, in the west Friesland and in the north the Wadden Sea.
Output (grade 10): At the east is the German region Lower Saxony, in the south is Drenthe, in the west is Fryslân and in the north is the Wadden Sea.