Due to the growing territory of Greece, the administrative structure has changed dramatically over the last 160 years. Statistical data are published for the territorial divisions of the 52 Nomoi, the Eparchies, the Demoi, Koinotites and Oikismoi. But there are no regional statistical authorities, and the statistical system is strongly centralized. 14-16 Lycourgou Str. The NSSG covers the whole country and all regions.
Data are chiefly available in printed form.
Special statistical series cover all fields of statistical reporting. The latest population census was held on March 17th, 1991. Meanwhile two volumes presenting the resident population in deep disaggregation down to the level of localities are available. As for the census of 1981 thematic volumes and several volumes grouped according to main territorial subdivisions will be published. In general, data in machine-readable form are not yet distributed to the wider public.