Tallinn is the capital 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 437,811 (as of 2022) and is the main financial, industrial, and cultural centre of Estonia. It has the highest number of start-ups per person among European countries and is the birthplace of many international high-technology companies, including Skype, Bolt and Wise. The city is home to the headquarters of the European Union’s