Kreis Adelnau () was a county in the southern administrative district of Posen, in the Prussian province of Posen.
Military command
Kreis Adelnau was part of the military command () in Posen at Ostrowo.
Court system
The main court () was in Ostrowo, with lower courts () in Aldenau and Ostrowo.
Civil registry offices
In 1905, these civil registry offices () served the following towns in Kreis Adelnau: Adelnau Klein Topola Raschkow Danischen Ludwikow Sulmierzyce
Police districts
In 1905, these police districts () served towns in Kreis Adelnau: Adelnau Adelnau West Schwarzwald Adelnau Ost Raschkow Sulmierzyce
Catholic churches
In 1905, these Catholic parish churches served towns in Kreis Adelnau: Adelnau Kotlow Ostrowo Raschkow Skrzebow Szczury Hanswalde Lewkow Pogrzybow Schildberg Sulmierzyce
Protestant churches
In 1905, Protestant parish churches served towns in Kreis Adelnau: Adelnau Krotoschin Ostrowo Raschkow Schwarzwald