Sarnowo Nidzica County
 Sarnowo [sarˈnɔvɔ] (German: Scharnau) is a village in the administrative district of Gmina Kozłowo within Nidzica County Warmian-Masurian Voivodeship in northern Poland. It lies approximately 15 kilometres (9 mi) south-west of Nidzica and 60 km (37 mi) south of the regional capital Olsztyn.The village has a population of 420.