See German tanker Altmark for the ship named after Altmark and Stary Targ for a Polish Pomeranian village.

The Altmark (English: Old March) is a historic region in Germany, comprising the northern third of Saxony-Anhalt. As the initial territory of the Brandenburg margraves, it is sometimes referred to as the "Cradle of Prussia", as by Otto von Bismarck, a native from Schönhausen near Stendal.