Jezierce [jɛˈʑɛrt͡sɛ] (German Haack) is a village in the administrative district of Gmina Zalewo, within Iława County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 7 kilometres (4 mi) south-west of Zalewo, 25 km (16 mi) north of Iława, and 64 km (40 mi) west of the regional capital Olsztyn.