Travel to Tallinn – capital and the largest city in Estonia. Tallinn’s Old Town is listed as a UNESCO World Heritage Site. It is ranked as a global city and has been listed among the top 10 digital cities in the world. What can arguably be considered to be Tallinn’s main attractions are located in the old town of Tallinn which is easily explored on foot. The eastern parts of the city, notably Pirita (with Pirita Convent) and Kadriorg (with Kadriorg Palace) districts, are also popular destinations.