Troelse is a village in Odense Municipality, in the region of Southern Denmark, Denmark. Troelse lies at 41 m above sea level. The nearest city is Odense, 9.8 km to the east. Among the landmarks around are Nonnebakken (9.9 km), Viking Age Ring Fortresses (9.9 km) and St. Canute's Cathedral (9.8 km). Among the natural features are Frøbjerg Bavnehøj (10.2 km) and Tornø (17.0 km).