Rubuta ci gaba don wannan sakin layi - An san mahimmancin dabarun yankin da ke iyakance da Vistula, Bug, Wkra da Narew ga runduna daban-daban a cikin shekaru. An gina sansanin soja na farko a Zakroczym ta daular Piast a karni na 11. Duk da haka, an gina wurin da aka gina na farko na zamani a 1656 ta sojojin Sweden a lokacin Ruwan Tsufana. Abin da ake kira "Bugskansen" sansanin soja ne mai ƙarfi, mai yiwuwa yana kusa da haɗuwa da Narew da Vistula, a abin da ake kira "Tsibirin Sweden". Hakanan sansanin yana tsaron gadar katako a kan Vistula kafin yakin Zakroczym kuma ya zama babban wurin ajiyar kayan aikin sojojin Sweden yayin yakin Warsaw
na Yuli na shekara ta 1656. Bayan nasarar Sweden an rushe sansanin soja a 1660 kuma yankin ya kasance ba shi da karfi har kimanin shekaru 150.