Morąg [ˈmɔrɔŋk] (German: Mohrungen ( listen)) is a town in northern Poland in Ostróda County in the Warmian-Masurian Voivodeship about 60 km (37.28 mi) south of the Polish - Russian border. The nearest city is Olsztyn, 44 km to the southeast.
The settlement existed as an Old Prussian town known under the name of Mawrin, Maurin or Morin. A new town was built on its place by the invading Teutonic Knights after they destroyed the original settlement. It was given the name Mohrungen and in 1327 attained Kulm law from Hermann von Oettingen. The original inhabitants of the town were emigrants from the southern Harz in central Germany. The War between the Teutonic Order and Poland saw the town incinerated completely in 1414. Mohrungen was occupied by the Grand Duchy of Lithuania and the Kingdom of Poland from 1410 to 1461.
Mohrungen was on a shipping commerce line connecting Truso with harbors at the Black Sea. Agriculture and commerce was the primary occupations in the town. It was known as a cattle and grain market.