Contains records from the Regierungsbezirk Posen offices of the following places: Chodzież, Czarnków, Gostyń Grodzisk, Jarocin, Kościan, Krotoszyn, Leszno, Miedzychód, Oborniki, Poznań, Rawicz, Szamotuly, Śrem, Środa, Wolsztyn, Września.The files that survived include the office internal organization matters, the book-keeping, reports of Landrats, the reports concerning the supervision of prices, the matters of housing, schooling matters and school files and files of the private properties.