This site is created by the Department of Human Geography at Stockholm University. The 200+ pages contain information about geographical information systems (GIS) and cartography. Almost all of the information is in Swedish.

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• A wikipedia page in English about GIS: https://en.wikipedia.org/wiki/Geographic_information_system
• For help regarding ArcGIS: https://desktop.arcgis.com/en/arcmap/
• A list with useful data resources: Geographical data