Building a people-oriented information society is a joined effort that requires cooperation and partnership between all stakeholders. The Mazowieckie Voivodeship carries out this task through the GATE of MAZOVIA portal ( https://www.wrotamazowsza.pl). It is an public access platform providing e-services of public administration. The portal consists three components: The Masovian Spatial Information System (MSIP) takes the role of an integrator of spatial data in Mazovia, also is an element of…