Baltic SeaThe Baltic Sea is an arm of the Atlantic Ocean that is enclosed by Denmark, Estonia, Finland, Germany, Latvia, Lithuania, Poland, Russia, Sweden and the North and Central European Plain. The sea stretches from 53°N to 66°N latitude and from 10°E to 30°E longitude. It is a shelf sea and marginal sea of the Atlantic with limited water exchange between the two, making it an inland sea. The Baltic Sea drains through the Danish Straits into the Kattegat by way of the Øresund, Great Belt and Little Belt.
FinlandFinland (Suomi ˈsuo̯mi; Finland ˈfɪ̌nland), officially the Republic of Finland (Suomen tasavalta; Republiken Finland ), is a Nordic country in Northern Europe. It borders Sweden to the northwest, Norway to the north, and Russia to the east, with the Gulf of Bothnia to the west and the Gulf of Finland to the south, across from Estonia. Finland covers an area of with a population of 5.6 million. Helsinki is the capital and largest city. The vast majority of the population are ethnic Finns.
TallinnTallinn (ˈtælɪn,_ˈtɑːlɪn) is the capital and most populous city of Estonia. Situated on a bay in north Estonia, on the shore of the Gulf of Finland of the Baltic Sea, Tallinn has a population of about 454,000 (as of 2023) and administratively lies in the Harju maakond (county). Tallinn is the main financial, industrial, and cultural centre of Estonia. It is located northwest of the country's second largest city, Tartu, however only south of Helsinki, Finland, also west of Saint Petersburg, Russia, north of Riga, Latvia, and east of Stockholm, Sweden.