Söderköping is a locality and the seat of Söderköping Municipality, Östergötland County, Sweden with 6,992 inhabitants in 2010. Söderköping is, despite its small population, for historical reasons normally still referred to as a city. Statistics Sweden, however, only counts localities with more than 10,000 inhabitants as cities.
Söderköping stands at the eastern end of the Göta Canal, a 390-km long canal opened in 1832 to connect Gothenburg to the Baltic Sea by inland waterway.Söderköping is visited by foreign tourists taking boat tours of the Göta Kanal and and is a popular destination for residents of the area. An ice cream shop in the center of town, Smultronstället, is a well-known attraction. Many adventurers gather in Söderköping as several climbing routes are right in the city centre and the archipelago is just a few miles away.