Stege is the largest town on the island of Møn in south-eastern Denmark. In January 2023 its population was 3,765. Stege is now part of Vordingborg Municipality and belongs to Region Zealand. Once a prosperous herring fishing port, tourism is now important to the local economy.

Møn is an island in south-eastern Denmark. Until 1 January 2007, it was a municipality in its own right but it is now part of the municipality of Vordingborg, after merging with the former municipalities of Langebæk, Præstø, and Vordingborg. This has created a municipality with an area of 615 km2 (237 sq mi) and a total population of 46,307 (2005). It belongs to the Region Sjælland. Møn is one of Denmark's most popular destinations for tourists with its white chalk cliffs, countryside, sandy beaches and the market town of Stege. In June 2017, UNESCO designated Møn as Denmark's first biosphere reserve, consisting of "a series of islands and islets in the southern Baltic Sea, over approximately 45,118 hectares. Its landscapes include woodlands, grasslands, meadows, wetlands, coastal areas, ponds and steep hills."