Altentreptow is a town located in the Mecklenburgische Seenplatte district within the state of Mecklenburg-Western Pomerania, Germany. It is situated on the river Tollense in Western Pomerania, approximately 15 km north of Neubrandenburg.
The city was known as Treptow an der Tollense until 1939. It serves as a geographical point within the Mecklenburgische Seenplatte region.