Tallinn (; Estonian: [ˈtɑlʲˑinˑ]; names in other languages) is the capital, primate and the most populous city of Estonia. Located in the northern part of the country, on the shore of the Gulf of Finland of the Baltic Sea, it has a population of 434,562. Administratively a part of Harju maakond (county), Tallinn is the main financial, industrial, cultural, educational and research centre of Estonia.