Bay of Pomerania in the context of "Szczecin"

The Oder (/ˈoʊdər/ OH-dər; Czech and Polish: Odra) is a river in Central Europe. It is Poland's second-longest river and third-longest within its borders after the Vistula and its largest tributary the Warta. The Oder rises in the Czech Republic and flows 742 kilometres (461 mi) through western Poland, later forming 187 kilometres (116 mi) 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.

The Dziwna (German: Dievenow) is a channel of the Oder River in northwestern Poland, one of three straits connecting the Szczecin Lagoon with the Bay of Pomerania of the Baltic Sea. It separates the island of Wolin from the Polish mainland. The other two channels are the Świna and the Peene.

About 32 km (20 mi) in length, the Dziwna forms on the eastern end of the Szczecin Lagoon, near the town of Zagórze, Kamień County. Flowing north, it passes the town of Wolin and then widens and forms a number of connected features. Towards the west the main channel of the Dziwna forms the large Kamieński Lagoon (Polish: Zalew Kamieński). To the east a side channel develops into the Zatoka Cicha (Quiet Bay, known as Die Maad before 1949), flows north through the strait of Promna as it approaches the city of Kamień Pomorski, then rejoins the Kamieński Lagoon. Between these two channels stands the small, largely agricultural island of Chrząszczewo connected to Kamień Pomorski by a single bridge.

Greifswald (German pronunciation: [ˈɡʁaɪfsvalt] ; Low German: Griepswold), officially the University and Hanseatic City of Greifswald (German: Universitäts- und Hansestadt Greifswald) is the fourth-largest city in the German state of Mecklenburg-Western Pomerania after Rostock, Schwerin and Neubrandenburg. In 2021 it surpassed Stralsund for the first time, and became the largest city in the Pomeranian part of the state. It sits on the River Ryck, at its mouth into the Danish Wiek, a sub-bay of the Bay of Greifswald, which is itself a sub-bay of the Bay of Pomerania of the Baltic Sea.

It is the seat of the district of Western Pomerania-Greifswald, and is located roughly in the middle between the two largest Pomeranian islands of Rügen and Usedom. The closest larger cities are Stralsund, Rostock, Szczecin and Schwerin. It lies west of the River Zarow, the historical cultural and linguistic boundary between West (west of the river) and Central Pomerania (east of the river). The city derives its name from the dukes of Pomerania, the House of Griffin, and thus ultimately from the Pomeranian Griffin, and its name hence translates as "Griffin's Forest".

Wolin (Polish: [ˈvɔlin]; German: Wollin [vɔˈliːn]) is a Polish island in the Baltic Sea, just off the Polish coast. Administratively, the island belongs to the West Pomeranian Voivodeship. Wolin is separated from the island of Usedom (Uznam) by the Strait of Świna, and from mainland Pomerania by the Strait of Dziwna. The island has an area of 265 km (102 sq mi) and its highest point is Mount Grzywacz at 116 m above sea level. The number of inhabitants is 30,000. Eastern suburbs of the city of Świnoujście extend to the Wolin island, while the towns of Międzyzdroje and Wolin lie further east.

Water from the river Oder flows into the Szczecin Lagoon and from there through the Peene west of Usedom, Świna and Dziwna into the Bay of Pomerania in the Baltic Sea.