Linked from
The 106 pages that link to Geographic information system, each with the reason it gives.
CartographyNarrower topic: GIS supplies much of the data and analysis used in modern mapping.
TopographyNarrower topic: GIS combines topographic data with other spatial information for analysis.
Google MapsNarrower topic: Its place layers and spatial analysis draw on GIS methods.
Web mappingNarrower topic: Web mapping draws on the data and operations developed in GIS.