It is said that the city is full of life, Many cities around the Osaka Bay seemed to be a megalopolis which are just like Living things, because that the border line between them become to be meaningless and every city is closely connected with each other.
This paper is described about a study on a new city system that is named GAlA Polis, GAlA is named after a goddess name in Greek mythology, because that there are so many cities in small area around the bay, the faculties of the cities compete one another.
This study was started for overcoming the crisis that the city might not preserve any good activity and comfortable human life in next century by controlling them under an unified network system.