Due to the close proximity of the country border, the elders of Dobrzyń nad Wisłą constantly improved the fortifications around the castle, which became the seat of the local government.
Wisła Kraków | Wisła | Ústí nad Labem | Jablonec nad Nisou | Wisła Płock | Lipno nad Vltavou | Krościenko nad Dunajcem | Hluboká nad Vltavou | Dobrzyń | Chlumec nad Cidlinou | Chełmno nad Nerem | Dobrzyń Land | Suchdol nad Odrou | Předměřice nad Jizerou | Kralupy nad Vltavou | Kostrzyn nad Odrą | Dobrzyń nad Wisłą | Czerwińsk nad Wisłą | Brandýs nad Labem-Stará Boleslav | Bílovice nad Svitavou | Žďár nad Sázavou | Žabokreky nad Nitrou | Wielgie, Golub-Dobrzyń County | Vranov nad Topľou | Vojka nad Dunajom | Ústí nad Orlicí District | Ústí nad Orlicí | Týnec nad Labem | Szczutowo, Golub-Dobrzyń County | Świętosław, Golub-Dobrzyń County |
The Dobrzyn Land was divided into three counties (Dobrzyń, Rypin, Lipno), and had its own sejmiks at Lipno.