Towns can contain incorporated villages or unincorporated hamlets. There are several historic hamlets or villages in the Town of Mono. Towns can contain several hamlets and communities. Many small hamlets and towns now emerged. In New York, a town typically contains a number of such hamlets and villages. Towns also include a number of unincorporated hamlets. There are large Bengali Muslim communities in the eastern boroughs of Tower Hamlets and Newham. They traditionally lived in their own secluded hamlets. These areas may contain communities referred to as hamlets, or "unincorporated areas". The houses are in the London Borough of Tower Hamlets. Medieval settlement was mainly around the two hamlets. In Canada's three territories, hamlets are officially designated municipalities. Limehouse is a district in the London Borough of Tower Hamlets in East London. The city always included a belt of irrigated agricultural land including small hamlets. Bangladeshi gangs are found mostly in Tower Hamlets.