EntityQ610857· pop 33· linked from 394 articlesOstrołęka CountySign in to savepowiat of PolandConnectionsPolandCountryWarsawEntityPolishEntitygeographic coordinate systemEntityMasovian VoivodeshipEntityvoivodeship of PolandEntityRadomEntityPłockEntityurban areaEntitySiedlceEntityOstrołękaEntitygminaEntitypowiatEntityadministrative territorial entity of PolandEntityLipsko CountyEntitySochaczew CountyEntityŁosice CountyEntityOtwock CountyEntityPruszków CountyEntityGarwolin CountyEntityCategoriesLand counties of Masovian VoivodeshipOstrołęka County