Seems like what you're describing is a planned community or also intentional community. The latter being more of focused on the community part and the former on

Seems like what you're describing is a planned community or also intentional community. The latter being more of focused on the community part and the former on the planning part. Washington DC is a planned community. https://en.wikipedia.org/wiki/Planned_community https://en.wikipedia.org/wiki/Planned_community https://en.wikipedia.org/wiki/List_of_purpose-built_national_capitals https://en.wikipedia.org/wiki/List_of_purpose-built_national... https://en.wikipedia.org/wiki/Intentional_community https://en.wikipedia.org/wiki/Intentional_community https://en.wikipedia.org/wiki/List_of_intentional_communities https://en.wikipedia.org/wiki/List_of_intentional_communitie...