The proposed publication for the first time comprehensively presents the genesis, formation, evolution and composition of the regimental-hundredth administrative-territorial structure of the Ukrainian Cossack state of the XVII-XVIII centuries. Zaporizhzhya troops. The work reflects the history of famous regiments and hundreds of Hetmanate as administrative units, the composition of settlements and administration. A register of Cossack Ukraine officials known by sources from 1648 to 1782 will also be added.