The monograph is devoted to the lingual study of the vocabulary of the dialects of the Uzbek language of the Zarafshan oasis. The monograph highlights the vocabulary and lexical structure of the vocabulary of the Uzbek dialects of the Zarafshan oasis, the linguistic-spatial study of the lexical and spiritual characteristics of the vocabulary of the Uzbek dialects of the Zarafshan oasis, as well as the problem of linguo-geographical maps of the Uzbek dialects of the Zarafshan oasis.