Question: Which major Russian city borders the sea on which Riems is located?

full_context: Document 1: Latvia: Latvia ( or ; , ), officially the Republic of Latvia (, ), is a country in the Baltic region of Northern Europe. Since its independence, Latvia has been referred to as one of the Baltic states. It is bordered by Estonia to the north, Lithuania to the south, Russia to the east, and Belarus to the southeast, and shares a maritime border with Sweden to the west. Latvia has 1,957,200 inhabitants and a territory of . The country has a temperate seasonal climate.
Document 2: Liebes: The small, uninhabited island of Liebes lies in the Baltic Sea, in the lagoon of Varbelvitzer Bodden between the islands of Rügen and Ummanz. It is a good 1,000 metres long, up to 200 metres wide and its highest point lies just 1.5 metres above sea level. The name of the island could be derived from the Slavic word "Lipa" = "lime tree".
Document 3: Großer Jasmunder Bodden: The Großer Jasmunder Bodden belongs to the Northern Rügener Boddens and is a water body on the southern edge of the Baltic Sea in the German state of Mecklenburg-Vorpommern. It is a "bodden", a type of lagoon that occurs in northern Europe especially on the coast of Pomerania. It lies within the island of Rügen, is around 14 kilometres long, an average of six kilometres wide and is up to nine metres deep with an average depth of 5.3m. The Großer Jasmunder Bodden has an area of 58.6 square kilometres; if the "Breetzer Bodden", "Breeger Bodden", "Lebbiner Bodden", "Neuendorfer Wiek" and "Tetzitzer See" are included the total area of water comes to over 94 square kilometres.
Document 4: British Isles: Ireland and the United Kingdom are both part of the European Union (EU). The Crown Dependencies are not a part of the EU however do participate in certain aspects that were negotiated as a part of the UK's accession to the EU. Neither the United Kingdom or Ireland are part of the Schengen area, that allow passport-free travel between EU members states. However, since the partition of Ireland, an informal free-travel area had existed across the region. In 1997, this area required formal recognition during the course of negotiations for the Amsterdam Treaty of the European Union and is now known as the Common Travel Area.
Document 5: Estonia: Estonia (i/ɛˈstoʊniə/; Estonian: Eesti [ˈeːsti]), officially the Republic of Estonia (Estonian: Eesti Vabariik), is a country in the Baltic region of Northern Europe. It is bordered to the north by the Gulf of Finland, to the west by the Baltic Sea, to the south by Latvia (343 km), and to the east by Lake Peipus and Russia (338.6 km). Across the Baltic Sea lies Sweden in the west and Finland in the north. The territory of Estonia consists of a mainland and 2,222 islands and islets in the Baltic Sea, covering 45,339 km2 (17,505 sq mi) of land, and is influenced by a humid continental climate.
Document 6: Hamburg: Hamburg is at a sheltered natural harbour on the southern fanning-out of the Jutland Peninsula, between Continental Europe to the south and Scandinavia to the north, with the North Sea to the west and the Baltic Sea to the northeast. It is on the River Elbe at its confluence with the Alster and Bille. The city centre is around the Binnenalster ("Inner Alster") and Außenalster ("Outer Alster"), both formed by damming the River Alster to create lakes. The islands of Neuwerk, Scharhörn, and Nigehörn, away in the Hamburg Wadden Sea National Park, are also part of the city of Hamburg.
Document 7: Baltic Sea: Since May 2004, with the accession of the Baltic states and Poland, the Baltic Sea has been almost entirely surrounded by countries of the European Union (EU). The only remaining non-EU shore areas are Russian: the Saint Petersburg area and the exclave of the Kaliningrad Oblast.
Document 8: Poland: Poland is bordered by the Baltic Sea, Lithuania, and Russia's Kaliningrad Oblast to the north, Belarus and Ukraine to the east, Slovakia and the Czech Republic to the south, and Germany to the west.
Document 9: Estonia: In 2005, Estonia joined the European Union's Nordic Battle Group. It has also shown continued interest in joining the Nordic Council. Whereas in 1992 Russia accounted for 92% of Estonia's international trade, today there is extensive economic interdependence between Estonia and its Nordic neighbours: three quarters of foreign investment in Estonia originates in the Nordic countries (principally Finland and Sweden), to which Estonia sends 42% of its exports (as compared to 6.5% going to Russia, 8.8% to Latvia, and 4.7% to Lithuania). On the other hand, the Estonian political system, its flat rate of income tax, and its non-welfare-state model distinguish it from the Nordic countries and their Nordic model, and indeed from many other European countries.
Document 10: Riems: Riems is an island in the southwestern part of the Bay of Greifswald, a broad, shallow embayment of the Baltic Sea between the German mainland and the island of Rügen. Riems belongs administratively to the urban district of Greifswald, but is an exclave. Riemserort, is municipally part of Riems, but lies opposite the island on the mainland.
Document 11: Kaliningrad: Kaliningrad (Russian: Калининград, IPA: (kəljɪnjɪnˈɡrat); former German name: Königsberg; Yiddish: קעניגסבערג, Kenigsberg; Russian: Кёнигсберг, tr. Kyonigsberg; Old Prussian: Twangste, Kunnegsgarbs, Knigsberg) is the administrative center of Kaliningrad Oblast, a Russian exclave between Poland and Lithuania on the Baltic Sea.
Document 12: Tromper Wiek: The Tromper Wiek is a bay on the Baltic Sea between the peninsulas of Wittow and Jasmund on the island of Rügen in northeast Germany.
Document 13: Kirr: Kirr is an island in the Darss-Zingst Bodden Chain south of the Zingst Peninsula on the German Baltic Sea coast. It is separated from the peninsula by the Zingster Strom. The island is a nature reserve within the Western Pomerania Lagoon Area National Park. It was formerly and is sometimes still called Großer Kirr or Große Kirr ("Great Kirr"). This is to distinguish it from the northwestern part of the island, which was still a separate albeit much smaller island in the Zingster Strom in the second half of the 20th century, that used to be called Kleiner Kirr or Kleine Kirr ("Small Kirr").
Document 14: Baltic region: The terms Baltic region, Baltic Rim countries (or simply Baltic Rim), and the Baltic Sea countries refer to slightly different combinations of countries in the general area surrounding the Baltic Sea in Northern Europe.
Document 15: Mährens: The German Baltic Sea island of Mährens is uninhabited and lies between the islands of Rügen and Ummanz off the coast of Mecklenburg-Western Pomerania. It is only around 150 × 100 metres across and up to 3 metres above sea level.
ground_truth: Saint Petersburg
sub_queries: Riems >> located on terrain feature Answer: Baltic Sea
which major russian city borders Baltic Sea Answer: Saint Petersburg