“In Hungarian Geographic information system (GIS) is called “Space-informatics”. GIS handles the graphical (map, space image, aerial image…etc) and the descriptive (containing thematic data) databases together, and can make different analyses. The results of these analyses can be displayed graphically, for example as maps or digital raised-models.” (Jesús Reyes Nunez)

The science of GIS is a special branch of informatics, it’s such informatics, in which the data which is the
basis of the information is bound to geographical places. The typical questions that are to be answered by GIS are: What’s there? Where is it? What happens if…?(Geographic information system)