OderThe Oder (ˈoʊdər , ˈoːdɐ; Czech, Lower Sorbian and Odra; Wódra ˈwʊt.ʀɑ) is a river in Central Europe. It is Poland's second-longest river in total length and third-longest within its borders after the Vistula and Warta. The Oder rises in the Czech Republic and flows through western Poland, later forming of the border between Poland and Germany as part of the Oder–Neisse line. The river ultimately flows into the Szczecin Lagoon north of Szczecin and then into three branches (the Dziwna, Świna and Peene) that empty into the Bay of Pomerania of the Baltic Sea.
OstsiedlungOstsiedlung (ˈɔstˌziːdlʊŋ, literally "East settlement") is the term for the Early Medieval and High Medieval migration of ethnic Germans into the territories in the eastern part of Francia, East Francia, and the Holy Roman Empire and beyond; and the consequences for settlement development and social structures in the areas of settlement. Generally sparsely and in some inland areas only relatively recently populated by Slavic, Baltic and Finnic peoples, the most settled area was known as Germania Slavica.
PotsdamPotsdam (ˈpɔtsdam) is the capital and, with around 183,000 inhabitants, largest city of the German state of Brandenburg. It is part of the Berlin/Brandenburg Metropolitan Region. Potsdam sits on the River Havel, a tributary of the Elbe, downstream of Berlin, and lies embedded in a hilly morainic landscape dotted with many lakes, around 20 of which are located within Potsdam's city limits. It lies some southwest of Berlin's city centre. The name of the city and of many of its boroughs are of Slavic origin.
MecklenburgMecklenburg (ˈmeːklənbʊʁk; Mękel(n)borg ˈmɛːkəl(n)bɔrx) is a historical region in northern Germany comprising the western and larger part of the federal-state Mecklenburg-Western Pomerania. The largest cities of the region are Rostock, Schwerin, Neubrandenburg, Wismar and Güstrow. The name Mecklenburg derives from a castle named Mikilenburg (Old Saxon for "big castle", hence its translation into Neo-Latin and Greek as Megalopolis), located between the cities of Schwerin and Wismar.
Duchy of PomeraniaThe Duchy of Pomerania (Herzogtum Pommern; Księstwo pomorskie; Latin: Ducatus Pomeraniae) was a duchy in Pomerania on the southern coast of the Baltic Sea, ruled by dukes of the House of Pomerania (Griffins). The country had existed in the Middle Ages, in years 1121–1160, 1264–1295, 1478–1531 and 1625–1637. The duchy originated from the realm of Wartislaw I, a Slavic Pomeranian duke, and was extended by the Lands of Schlawe and Stolp in 1317, the Principality of Rügen in 1325, and the Lauenburg and Bütow Land in 1455.
PomeraniaPomerania (Pomorze; Pommern; Kashubian: Pòmòrskô; Pommern) is a historical region on the southern shore of the Baltic Sea in Central Europe, split between Poland and Germany. The western part of Pomerania belongs to the German states of Mecklenburg-Western Pomerania and Brandenburg, while the eastern part belongs to the West Pomeranian, Pomeranian and Kuyavian-Pomeranian voivodeships of Poland.
