Zajezierze [zajɛˈʑɛʐɛ] (German Seegertswalde) is a village in the administrative district of Gmina Małdyty, within Ostróda County, Warmian-Masurian Voivodeship, in northern Poland. It lies approximately 3 kilometres (2 mi) south-west of Małdyty, 28 km (17 mi) north-west of Ostróda, and 54 km (34 mi) west of the regional capital Olsztyn.