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Managing of metropolises like Tehran is one of the hardest affairs. Especially that nowadays urban management organizations increase their functions and duties. Municipalities present so many civil, cultural, social, … services for citizens , so, if we consider difference of urban life needs, we will see that the unique urban management is impossible. Urban division hierarchy is one of the tools that helps urban managers to divide their responsibilities in some small part of city. Since the urban divisions are much important for non central management, so it goes without saying that this divisions should be done according to the correct and logical standards and criteria. This research tries to find some efficient criteria to determine the boundaries of “regions“ as the second step of urban division hierarchy.
Key words: region, urban Divisions mechanism, transportation network hierarchy, physical divisions