Osterwalde

Osterwalde is a medieval shire ( Gau) in the

Eastphalia Eastphalia (german: Ostfalen; Eastphalian: ''Oostfalen'') is a historical region in northern Germany, encompassing the eastern ''Gaue'' (shires) of the historic stem duchy of Saxony, roughly confined by the River Leine in the west and the Elbe a ...

region of the

Duchy of Saxony The Duchy of Saxony ( nds, Hartogdom Sassen, german: Herzogtum Sachsen) was originally the area settled by the Saxons in the late Early Middle Ages, when they were subdued by Charlemagne during the Saxon Wars from 772 and incorporated into the C ...

. In present-day terms, it is located in northern

Saxony-Anhalt Saxony-Anhalt (german: Sachsen-Anhalt ; nds, Sassen-Anholt) is a state of Germany, bordering the states of Brandenburg, Saxony, Thuringia and Lower Saxony. It covers an area of and has a population of 2.18 million inhabitants, making it the ...

. It was bordered by the River

Ohre The Ohre is a river in northern Germany, left tributary to the Elbe. Its total length is . Its source is north of Wolfsburg, in Lower Saxony. It flows generally south-east, at first following the border of Lower Saxony and Saxony-Anhalt. After B ...

to the west and by the River Dumme to the north; its eastern borders are unclear; it possibly reached all the way to the River

Elbe The Elbe (; cs, Labe ; nds, Ilv or ''Elv''; Upper and dsb, Łobjo) is one of the major rivers of Central Europe. It rises in the Giant Mountains of the northern Czech Republic before traversing much of Bohemia (western half of the Czech Repu ...

. The most important town was

Salzwedel Salzwedel (, officially known as Hansestadt Salzwedel; Low German: ''Soltwedel'') is a town in Saxony-Anhalt, Germany. It is the capital of the district (''Kreis'') of Altmarkkreis Salzwedel, and has a population of approximately 21,500. Salz ...

, other towns were

Seebenau Seebenau is a village and a former municipality in the district Altmarkkreis Salzwedel, in Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the town Salzwedel Salzwedel (, officially known as Hansestadt Salzwedel; Low German: ''Sol ...

Tylsen Tylsen is a village and a former municipality in the district Altmarkkreis Salzwedel, in Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the town Salzwedel Salzwedel (, officially known as Hansestadt Salzwedel; Low German: ''Soltw ...

, and

Osterwohle Osterwohle is a village and a former municipality in the district Altmarkkreis Salzwedel, in Saxony-Anhalt, Germany. Since 1 January 2010, it is part of the town Salzwedel Salzwedel (, officially known as Hansestadt Salzwedel; Low German: ''S ...

, after which it is probably named. Neighboring shires include

Drevani The Drevani (german: Draväno-Polaben or ''Drevanen'') were a tribe of Polabian Slavs settling on the Elbe river in the area of the present-day Lüchow-Dannenberg district of Lower Saxony, Germany. They were a constituent tribe of the Obodrite co ...

Chojna Chojna (german: Königsberg in der Neumark; csb, Czińsbarg; la, Regiomontanus Neomarchicus "King's Mountain in the New March") is a small town in northwestern Poland in the West Pomeranian Voivodeship. It lies approximately south of Szcze ...

Balsamgau The Balsamgau (or Belcsem, Balsami) was an early medieval Gau (shire) in the Eastphalia region of the Duchy of Saxony. It was centered on Stendal and located on the West bank of the River Elbe. Other towns in the Balsamgau include Arneburg, Döb ...

Nordthüringgau The Nordthüringgau was a medieval county (german: Gau) in the Eastphalian region of the German stem duchy of Saxony. Geography The county was located on both sides of the upper Aller river in present-day Saxony-Anhalt. It was bounded by the ...

Derlingau The Derlingau was an early medieval county ('' Gau'') of the Duchy of Saxony. Geography The Derlingau approximately consisted of the area between the river Oker in the west and the Lappwald forest in the east. It was bordered by (from the north, ...

, and

Bardengau The Bardengau was a medieval county ('' Gau'') in the Duchy of Saxony. Its main town was Bardowick; other important towns were Lüneburg and Oldenstadt (today Uelzen). Since the 10th century, members of the House of Billung have been recorded as c ...

. By the 12th century, the Gau Osterwalde had become a part of the

Margraviate of Brandenburg The Margraviate of Brandenburg (german: link=no, Markgrafschaft Brandenburg) was a major principality of the Holy Roman Empire from 1157 to 1806 that played a pivotal role in the history of Germany and Central Europe. Brandenburg developed out o ...

. Together with the Balsamgau, it formed the westernmost part of Brandenburg, which later came to be known as the

Altmark :''See German tanker Altmark for the ship named after Altmark and Stary Targ for the Polish village named Altmark in German.'' The (English: Old MarchHansard, ''The Parliamentary Debates from the Year 1803 to the Present Time ...'', Volume 32. ...

. {{coord missing, Germany Carolingian counties Duchy of Saxony Former states and territories of Saxony-Anhalt