Odessa, located in southern Ukraine, 30 kilometers northeast of the mouth of the Dniester River flowing into the Black Sea, is the fourth largest city in the Republic of Ukraine and the capital of Odessa Oblast. It is the largest port city on the Black Sea coast and an important industrial, scientific, transportation, cultural education and tourism center. The city is divided into 6 districts, and the official language is Ukrainian. Odessa was founded in 1415 and was originally a Tatar settlement called Kagibeyi. It was renamed Odessa in 1795. In 1805, it became the administrative center of the Novorossiysk Krai. Odessa has a pleasant climate, moderate temperature and humidity. Because the natural seaport does not freeze all year round, it occupies an important position in water transportation and is known as the "Pearl of the Black Sea". It has exchanges with more than 200 ports in 60 countries in the world and undertakes more than 50% of Ukraine's foreign trade freight tasks.