The Adjarian Autonomous Soviet Socialist Republic (Adjarian ASSR or Adzhar ASSR; Georgian: აჭარის ავტონომიური საბჭოთა სოციალისტური რესპუბლიკა, romanized: ach'aris avt'onomiuri sabch'ota sotsialist'uri resp'ublik'a; Russian: Аджарская Автономная Советская Социалистическая Республика, romanized: Adzharskaya Avtonomnaya Sovetskaya Sotsialisticheskaya Respublika) was an autonomous republic of the Soviet Union within the Georgian SSR, established on 16 July 1921. On 10 December 1990, it was renamed into the Autonomous Republic of Adjara. After the dissolution of the Soviet Union in 1991, it became part of the independent Georgia.