Dataset for the theme Administrative Units (AU) harmonised according to the INSPIRE Directive and ELF Data Specification version 1.0. Harmonized INSPIRE dataset contains only administrative units and their boundaries. Administrative units are country, regions, districts and municipalities. The dataset covers the whole territory of the Czech Republic in one file. Administrative boundaries are routed between common boundary points of three administrative units at the lowest level of division, i.e. municipalities. It is provided as Open Data (licence CC-BY 4.0). Data is based on RÚIAN (Register of territorial identification, addresses and real estates). Dataset is created daily in case of any change. Data in the GML 3.2.1 format are valid against XML Definition Schema for the theme Administrative Units in version 4.0 and spatial data scheme for ELF in version 1.0. 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 in the current versions, in the INSPIRE Data Specification on Administrative Units v 3.0.1 from 2010-04-26 and in ELF Data Specification v1.0.