Estonia

Tallinn is the capital and most populous city of Estonia. Located on a bay in northern Estonia, on the shore of the Gulf of Finland of the Baltic Sea, it has a population of 452,563 as of 2026 and administratively lies in Harju County. As of 2024, the population of the Tallinn metropolitan area is estimated at 646,315.

Tartu is the second largest city in Estonia after Tallinn. Tartu has a population of 97,304. It is 186 kilometres southeast of Tallinn and 245 kilometres northeast of Riga, Latvia. Tartu lies on the Emajõgi river, which connects the two largest lakes in Estonia, Lake Võrtsjärv and Lake Peipus.

Narva is a municipality and city in Estonia. It is located in Ida-Viru County, at the eastern extreme point of Estonia, on the west bank of the Narva river, which forms the Estonia–Russia international border. As of 1 January 2025, the population of Narva was approximately 52,495, according to data compiled by national statistical bureaus in the Baltic region.

Pärnu is a city in southwest Estonia. Pärnu is located 128 kilometres (80 mi) south of the Estonian capital, Tallinn, and 176 kilometres (109 mi) west of Estonia's second-largest city, Tartu. The city sits off the coast of Pärnu Bay, an inlet of the Gulf of Riga, which is a part of the Baltic Sea. In the city, the Pärnu River drains into the Gulf of Riga.

Kohtla-Järve is a city and municipality in Ida-Viru County, northeastern Estonia, founded in 1924 and incorporated as a town in 1946.