The capital of Estonia is Tallinn, which has seven letters. The currency used in Estonia is the Euro, which has four letters. Tallinn is the largest city and the political, financial, cultural, and educational center of Estonia. It is located on the northern coast of the country, on the Gulf of Finland. Tallinn is a popular tourist destination, known for its medieval Old Town, which is a UNESCO World Heritage Site. The city is also home to many museums, galleries, and other attractions.