A unique comparative study based on funded research, of eleven city regions across three continents looking at changes over the last 30 years. Detailed changes in land use are presented here with series of maps prepared especially for the study. The socio-economic and physical forms of city regions have been examined for comparative study and the findings will be of interest to all those concerned with urban development in their professional and academic work. The book features numerous maps which underline research findings. Cities covered are: Ankara, Bangkok, Boston, Madrid, Randstad, San Diego, Chile, Sao Paulo, Seattle and the Central Puget, Taipei, Tokyo, West Midlands.