Footprints of the KiDZ pointings. The figure shows the regions where there exist optical and/or NIR data in dark and light grey, respectively. The rectangles show the limits of all observations made with the VST (black) and dedicated observations made with VISTA (green). Dark grey regions that are not covered by our dedicated VISTA observations are either already contained within the VIKING footprint (CDFS, G15-Deep) or have VIKING-like observations constructed from existing deep observations (VIPERS, COSMOS; see Sect. 4.1.3).