garden city
From Longman Dictionary of Contemporary Englishgarden cityˌgarden ˈcity noun [countable] British EnglishTOWN a town that has been designed to have a lot of trees, areas of grass, and open spacesExamples from the Corpusgarden city• One block in the middle of the Northeast garden city, Washington New Town, now stands completely empty.• Reporting in 1935 it advocated the fullest adoption of the planned distribution of industry and population based on garden city development.