Administratively, the city is divided into districts, which have their own authorities. This unit was established under Soviet rule in the 1930s, after the general division The Soviet Union. Tbilisi is located at the southern Caucasus, 41 43 'north latitude and 44 47' east longitude. The city is located in eastern Georgia on the banks of the river Mtkvari (Mt'k'vari). City at a level of at 380-770 meters above sea level and has the form of an amphitheater surrounded by mountains on three sides.
Part of the city, which is located on the left bank of the Mtkvari (Mt'k'vari), extends more than 30 km. To the north of the city a large pool (commonly known as the Sea of Tbilisi) fed by irrigation canals. The climate of Tbilisi is transitional from humid subtropical to relatively mild continental. In Tbilisi, relatively cold winters and hot summers. Since the city is limited to Most sides by mountain ranges, proximity to large bodies of water (Black and Caspian Seas) and the fact that the Big Caucasus Mountain Range (further to the north) blocks the intrusion of cold air masses from Russia, Tbilisi has a relatively mild climate compared to other cities that have a similar continental climate. The average annual temperature in Tbilisi – 12.7 C.
January – the coldest month with average temperatures 0.9 C. July – the hottest month with average temperature of 24.4 C. Tbilisi – refers to cities with diverse culture. The city is home to more than 100 different ethnic groups.