The Geographic Information System (GIS) are a technology that comprises of the most universal scope of the information systems. The general context in that they arise is the one of the “society of the information”, in which the fast availability turns out essential from information to solve problems and to answer questions of immediate way.

   A GIS is a “designed system of hardware, software and procedures to realise the capture, storage, manipulation, analysis, modelling and presentation of data, georreferenciados space for the resolution of complex problems of planning and management”.