The Gutasaga tells of the blóts on the island of Gotland in the Baltic Sea:

Bornholm (; Old Norse: Burgundaholmr, " the island of the Burgundians ") is a Danish island in the Baltic Sea located to the east of ( most of ) the rest of Denmark, south of Sweden, and north of Poland.

Although he must have been familiar with the ancient name, Balcia, meaning a supposed island in the Baltic Sea, and although he may have been aware of the Baltic words containing the stem balt -, " white ", as " swamp ", he reports that he followed the local use of balticus from baelt (" belt ") because the sea stretches to the east " in modum baltei " (" in the manner of a belt ").

The territory of Denmark includes the island of Bornholm in the Baltic Sea and the rest of metropolitan Denmark, but excludes the Faroe Islands and Greenland.

The island of Bornholm in the Baltic Sea also belongs to this group, but returned to Danish rule in 1660.

It was an important seaport serving the Vistula River bay on the early medieval Baltic Sea trade routes which led from Birka in the north to the island of Gotland and to Visby in the Baltic Sea.

On April 2, 1936, the Reich Air Ministry paid 750, 000 reichsmarks to the town of Wolgast for the whole Northern peninsula of the Baltic island of Usedom.

Stockholm was founded in 1252 on an island in the stream where Lake Mälaren ( from the west ) drains into the Baltic Sea ( to the east ).

The main island of Saare County, it is located in the Baltic Sea, south of Hiiumaa island, and belongs to the West Estonian Archipelago.

Most of the Baltic German population of the island was evacuated to Germany following the Pact.

The island forms the main barrier between the Gulf of Riga and the Baltic Sea.

Truso was situated in a central location upon the Eastern European trade routes, which led from Birka in the north to the island of Gotland and to Visby in the Baltic Sea and later included the Hanseatic city of Elbląg.

* Paternoster, name used in old maps for a small island Viirelaid in the Baltic Sea belonging to the country of Estonia.

Satellite image of phytoplankton swirling around the Sweden | Swedish island of Gotland in the Baltic Sea, in 2005

Among other things the Swedish government has to decide whether or not to lend its support to the construction of a Russian gas pipeline in the Baltic sea near the Swedish island of Gotland.

Landsat satellite photo of Oder Lagoon-Wolin is the eastern of the two large islands separating the waters of the Lagoon from the Baltic Sea, the western island is Usedom

Wolin ( Pomeranian Wòlin, ) is the name both of an island in the Baltic Sea, just off the Polish coast, and a town on that island.

Archaeological finds on the island are not very rich but they dot an area of 20 hectares, making it the second largest Baltic marketplace of the Viking Age after Hedeby.

Usedom (, ) is a Baltic Sea island on the border between Germany and Poland.

The ice then extended from the north down to the northern tip of Gotland, with small ice free areas on its either side, and the east coast of the Baltic Sea was covered by an ice sheet ca.

Noteworthy here is that the biggest islands in the Baltic Sea, Öland and Gotland, were part of the diocese of Linköping in the Middle Ages, covering also Östergötland and eastern Småland.

Gotland is located in the Baltic Sea to the east of Öland, and is the largest of Sweden's islands.

* the Baltic Sea ( including the Gulf of Bothnia ) to the east, with the autonomous Åland islands between Sweden and Finland, and Gotland.

To the east in the Baltic Sea is the island Gotland.

For ten years Erik lived on Gotland and made his living by piracy against the merchant trade in the Baltic.

Since the Northumberland Strait freezes in winter, the cables are designed to be protected from ice scouring and were copied from a Swedish design that was originally used to supply the island of Gotland in the Baltic Sea.

The tradition was strongest in Bornholm, Gotland and Götaland and appears to have followed the Goths, during the 1st century, to the southern shore of the Baltic Sea, ( now Northern Poland ) where they are a characteristic of the Wielbark culture.

Gotland is located about 90 km east of the Swedish mainland and about 130 km from the Baltic States, Latvia being the nearest.

Early on, Gotland became a commercial center and the town of Visby was the most important Hanseatic city in the Baltic Sea.

Fårö is a small Baltic Sea island north of the island of Gotland, off mainland Sweden's southeastern coast.

It breeds in southeast Europe ( isolated populations in the islands of Gotland and Oland in the Baltic Sea, Sweden ) and southwest Asia and is migratory, wintering in sub Sahara Africa.

Brown: Denmark-Norway ; Green: Sweden ; Yellow: the provinces of Jämtland, Härjedalen, Idre & Särna and the Baltic Sea islands of Gotland and Ösel, which were ceded to Sweden ; Red: the province of Halland, ceded for 30 years

* Denmark-Norway ceded the Norwegian provinces of Jämtland, Härjedalen and Idre & Särna as well as the Danish Baltic Sea islands of Gotland and Ösel.

Most of them spent the war years in Riga or western Latvia, but some fled across the Baltic Sea to Gotland.

Stora Karlsö is a small Swedish island in the Baltic Sea, situated about 6 km west of Gotland.

Lilla Karlsö is a small Swedish island in the Baltic Sea, situated about 3 km west of Gotland and 4. 5 km from Stora Karlsö.

Together with merchants from the Baltic island of Gotland, Albert founded Riga in 1201, where a small community of Hanseatic traders from Lübeck held a tentative trading encampment.

Pliny is presenting an archaic view, as in his time amber was a precious stone brought from the Baltic at great expense, but the Germans, he says, use it for firewood, according to Pytheas.

He was a key figure in the Danish policies of territorial expansion in the Baltic Sea, Europeanization in close relationship with the Holy See, and reform in the relation between the Church and the public.

It was Absalon's intention to clear the Baltic Sea of the Wendish pirates who inhabited its southern littoral zone which was later called Pomerania.

His policy of expansion was to give Denmark the dominion of the Baltic for three generations.

An important raw material, amber was transported from the North Sea and Baltic Sea coasts overland by way of the Vistula and Dnieper rivers to Italy, Greece, the Black Sea, and Egypt thousands of years ago, and long after.

The Egyptian pharaoh Tutankhamun had Baltic amber among his burial goods, and amber was sent from the North Sea to the temple of Apollo at Delphi as an offering.

Saint Adalbert, Czech: ;, ( c. 956 – April 23, 997 ), Czech Roman Catholic saint, a Bishop of Prague and a missionary, was martyred in his efforts to convert the Baltic Prussians.

Their reasons for this exclusion was their consideration of the south shore of the Baltic to be terra incognita, " unknown land.

During the 1917 Russian Revolution, Nimzowitsch was in the Baltic war zone.

While Tacitus called it Mare Suebicum after the Germanic people of the Suebi, the first to name it also as the Baltic Sea ( Mare Balticum ) was eleventh century German chronicler Adam of Bremen.

In the Middle Ages the sea was known by variety of names, the name Baltic Sea started to dominate only after 16th century.

Although the various Baltic tribes were mentioned by ancient historians as early as 98 B. C., the first attestation of a Baltic language was in about 1350, with the creation of the Elbing Prussian Vocabulary, a German to Prussian translation dictionary.

The Balts or Baltic peoples are an Indo-European ethnic-linguistic group who speak the Baltic languages, a branch of the Indo-European language family, which was originally spoken by tribes living in area east of Jutland peninsula in the west and Moscow, Oka and Volga rivers basins in the east.

Adam of Bremen was the first writer to use the term Baltic in its modern sense to mean the sea of that name.

For all practical purposes that was the Baltic language until 1919.

Established in the middle of the 8th century and thus being one of the earliest urban settlements in Scandinavia, Birka was the Baltic link in the river and portage route through Ladoga ( Aldeigja ) and Novgorod ( Holmsgard ) to the Byzantine Empire and the Abbasid Califate.

:" Adalvard the Elder ( Adalwardus senior ) was to superintend both lands of the Geats ( uterque praefectus est Gothiae ), Adalvard the Younger Sigtuna ( Sictunam ) and Uppsala ( Ubsalam ), Simeon ( Symon ) the Sami people ( Scritefingos ), John ( Iohannes ) the islands of the Baltic Sea.

It was constructed in 1639 to provide water power for mills. In Russia, the Volga-Baltic Waterway, a nationwide canal system connecting the Baltic and Caspian seas via the Neva and Volga rivers, was opened in 1718.