Pärnu is the fourth largest city in Estonia. Tallinn, the capital city of Estonia, is 128 kilometres north of Pärnu, and Tartu, Estonia's second largest city, is 176 kilometres east of Pärnu. Located in southwestern Estonia on the coast of Pärnu Bay, an inlet of the Gulf of Riga in the Baltic Sea. It is a popular summer holiday resort with many hotels, restaurants, and large beaches. The Pärnu River flows through the city and drains into the Gulf of Riga. The city was served by Pärnu Airport.