Adjara or Achara, officially known as the Autonomous Republic of Adjara, is a political-administrative region of Georgia. It is in the country's southwestern corner, on the coast of the Black Sea, near the foot of the Lesser Caucasus Mountains, north of Turkey. It is an important tourist destination and includes Georgia's second most populous city of Batumi as its capital. About 350,000 people live on its 2,880 km2 (1,110 sq mi).

Batumi, historically Batum or Batoum, is the second-largest city of Georgia and the capital of the Autonomous Republic of Adjara, located on the coast of the Black Sea in Georgia's southwest, 20 kilometers north of the border with Turkey. It is situated in a subtropical zone at the foot of the Caucasus. Much of Batumi's economy revolves around tourism and gambling, but the city is also an important seaport and includes industries like shipbuilding, food processing and light manufacturing. Since 2010, Batumi has been transformed by the construction of modern high-rise buildings, as well as the restoration of classical 19th-century edifices lining its historic Old Town.