The Guidebook presents the legal framework of official statistics, the tasks, organization, information resources and forms of data dissemination as well as new statistical products. Against this background, tasks and organization at the regional level are presented – the Statistical Office in Katowice. The Guidebook is complemented by a CD-ROM containing lists of reports and surveys drawn up by official statistics services in 2016 and schedules of publishing preliminary results, as well as indicators and volumes announced by the President of the CSO. The material is enriched with an information leaflet “Sustainable Development Indicators in the works of the Statistical Office in Katowice” and a historical occasional edition in the form of a digitized publication - "Statistical Yearbook of the Katowickie Voivodship 1959".