What is Spain like? 25 maps to discover it, km2 by km2 is a publication that enables attaining a global – but also detailed – perspective of the main socio-economic indicators from the 2011 Population and Housing Censuses. For the first time, and thanks to the collection of the geographical coordinates of the buildings, the INE has been able to generate maps that are independent from the administrative limits, with information to a level of 1km2 cells. Source: INE Spain.