Ościsłowo, Masovian Voivodeship
Ościsłowo is a village in the administrative district of Gmina Glinojeck, within Ciechanów County, Masovian Voivodeship, in east-central Poland. It lies approximately east of Glinojeck, west of Ciechanów, and north-west of Warsaw.
During the German occupation of Poland, Ościsłowo was the site of large massacres, in which several hundreds of Poles were murdered as part of the Intelligenzaktion. Also several dozen disabled from the region were murdered in the village on February 20, 1940.
