thumb|300px|Brandenburg under the House of Ascania, 1320 The Mittelmark (, ) is a historical region in eastern Germany that was the core territory of the Margrave of Brandenburg between the Oder and Elbe rivers.
thumb|300px|Brandenburg under the House of Ascania, 1320 The Mittelmark (, ) is a historical region in eastern Germany that was the core territory of the Margrave of Brandenburg between the Oder and Elbe rivers.
The name refers to the location of the territory between the Altmark (Old March) and the Neumark (New March) and it lay roughly in the area of the earlier Nordmark.
Discovered by embedding cosine similarity (sentence-transformers MiniLM, 384-dim).