Adlersky City District is the southernmost of four city districts of the city of Sochi in Krasnodar Krai, Russia, lying along the Black Sea coast near the southern Russian border with Georgia. The city district borders Maykopsky District of Adygea in the north, Mostovsky District of Krasnodar Krai in the east, Abkhazia in the south, and Khostinsky City District in the northwest. In the southwest, it is bordered by the Black Sea. Population: 76,534 (2010 Russian census); 69,120 (2002 Census); 68,827 (1989 Soviet census). Adlersky District was chosen to host the 2014 Winter Olympics. The historical center of the district is Adler Microdistrict (Адлер) — formerly classified as a town, but today a microdistrict of Adlersky City District—located at the mouth of the Mzymta River.

Sochi is the largest resort city in Russia. The city is situated on the Sochi River, along the Black Sea in Southern Russia, with a population of 466,078 residents, and up to 600,000 residents in the urban area. The city covers an area of 176.77 square kilometers (68.25 sq mi), while the Greater Sochi Area covers over 3,502 square kilometers (1,352 sq mi). Sochi stretches across 145 kilometers (90 mi), and is the longest city in Europe, the fifth-largest city in the Southern Federal District, the second-largest city in Krasnodar Krai, and the sixth-largest city on the Black Sea.