For methodological info, please refer to: http://www.eea.europa.eu/data-and-maps/data/urban-atlas/.
This is a selection of maps for a limited number or large urban zones (1 sample map per country). The full set of maps (in PDF format) and the underlying GIS vector data can be downloaded from EEA data service (see the link in section: Releated content).
Link to the related map viewer: http://discomap.eea.europa.eu/map/UrbanAtlas.
This document is part of the SOER 2015 product.