This document provides an overview of the Cockney dialect spoken in London, England. It discusses the etymology and origins of the term "Cockney" and defines a Cockney as someone born within earshot of the Bow Bells church. The traditional core area of the Cockney dialect is the East End of London, though the dialect has spread to surrounding areas due to migration. The document examines some of the typical features of Cockney speech, including its distinctive accent, rhyming slang, and borrowings from other languages. It traces the history and development of the Cockney dialect over time.