Ostrów is a settlement in the administrative district of Gmina Chojna, within Gryfino County, West Pomeranian Voivodeship, in north-western Poland, close to the German border. It lies approximately 8 kilometres (5 mi) south-west of Chojna, 37 km (23 mi) south of Gryfino, and 56 km (35 mi) south of the regional capital Szczecin. Before 1945 the area was part of Germany. The settlement has a population of 4. Gmina Chojna is an urban-rural gmina (administrative district) in Gryfino County, West Pomeranian Voivodeship, in north-western Poland, on the German border. Its seat is the town of Chojna, which lies approximately 32 kilometres (20 mi) south of Gryfino and 52 km (32 mi) south of the regional capital Szczecin. The gmina covers an area of 332.89 square kilometres (128.5 sq mi), and as of 2006 its total population is 13,960 (out of which the population of Chojna amounts to 7,187, and the population of the rural part of the gmina is 6,773).