Dataset contains basic changed data of RÚIAN, e.g. basic descriptive data of territorial elements and units of territorial registration, for which at least one of their attributes has changed on the selected day. Dataset contains no spatial location (polygons and definition lines) and centroids of RÚIAN elements. The file contains following elements (in case they have been changed): state, cohesion region, higher territorial self-governing entity (VÚSC), municipality with extended competence(ORP), authorized municipal office (POU), region (old ones – defined in 1960), county, municipality, municipality part, town district (MOMC), Prague city district (MOP), town district of Prague (SOP), cadastral units and basic urban units (ZSJ), streets, building objects and address point. Up-to-date data is specified for each element: code, centroid (if exists) and all available descriptive attributes including the code of superior element. Dataset is provided as Open Data (licence CC-BY 4.0). Data is based on RÚIAN (Register of Territorial Identification, Addresses and Real Estates). Files are created every day (in case any change of any element occurred). Data is provided in RÚIAN exchange format (VFR), which is based on XML language and fulfils the GML 3.2.1 standard (according to ISO 19136:2007). Dataset is compressed (ZIP) for downloading. More in the Act No. 111/2009 Coll., on the Basic Registers, in Decree No. 359/2011 Coll., on the Basic Register of Territorial Identification, Addresses and Real Estates.