Таллінн is the capital city of Estonia, located on the northern coast of the country along the Gulf of Finland. It is known for its well-preserved medieval old town, which is a UNESCO World Heritage site. The city features a mix of modern and historical architecture, with landmarks such as the Tallinn Town Hall and Alexander Nevsky Cathedral. With a population of around 430,000, Таллінн is the largest city in Estonia. It serves as a cultural and economic hub, offering various museums, galleries, and theaters. The city is also recognized for its vibrant tech scene, often referred to as the "Silicon Valley of Europe."