Zajezierze ([zajɛˈʑɛʐɛ]) (German: Hintersee) is a village in the administrative district of Gmina Sztum, within Sztum County, Pomeranian Voivodeship, in northern Poland. It lies approximately 2 kilometres (1 mi) south-west of Sztum and 56 km (35 mi) south-east of the regional capital Gdańsk.

For the history of the region, see History of Pomerania.