Spatial analysis of urbanization and urban network of East Azarbaijan province using theGIS

The purpose of this study is to investigate changes in the system of urban hierarchy and to distribute the population of the East Azarbaijan province during the period (1996-2011). Statistical population of the research is East Azarbaijan urban areas, descriptive-analytical research method, used models, ranking model and urban indexes based on the GIS software called the Fisheye pattern and distribution pattern. The data gathering method is based on the available statistics from three overviews. The results of the research indicate that in the urban system of the province during the period (1996-2011) there is an imbalance and the concentration of population and activists in Tabriz city and increasing the spatial scale of the city in the whole regionall the socio-economic activities of the metropolitan area The effects of the spatial density and regional functions with the center of Tabriz have been investigated. Also, the population distribution based on the shape of the net shell and the directional distribution indicates that in 1996 the population distribution was balanced, but in 2006, respectively The cities of Bonab, Malekan, Lilan, Ajabshir and in 2011 the cities of Tabriz, Bonab, Malekan, Lilan, Ajabshir Most of the population were also distributed to the population in East Azerbaijan province in years (1996-2011) has been from the southwest to the northeast.