Analysis of factors affecting Sprawl in urban areas of Iran

The objective of research is recognition of important factors in creating and intensifying urban sprawl in urban areas of Iran. Main question of research is "what is most important factors thar created and intensified sprawl in urban areas"? Methodology of Research is descriptive – analysis. Data collection based on secondary data analysis and the survey technic. In data analysis use AHP method and factor analysis. According to results and finding of this research, most important Effective factors In creating and intensifying of sprawl in urban areas of Iran are included 14 factors. lack of Integrated urban Management, informal settlement, policy of government in urban housing & earth, Urban Plans, population growth, land speculation, Urban rules and regulations, economic growth in urban area, Political fragmentation, changing of life style and demand for live in suburbs, land use pattern, diphthong of rurals in urban areas, exhaustion of city centers and physical Geography of Cities. By using of SPSS and exploratory factor analysis, these factors summarize in 5 main factors including 1- Economic 2- Urban policy of Government 3- Urban Management System 4- population 5- life style. These factors explain over 90% of changes in dependent variables, means causes of Sprawl in urban areas of Iran.