Analyzing the role of spatial planning in neighborhoods in order to maintain and strengthen urban identity Case study: Historical neighborhoods and new neighborhoods (Mulla Sadra neighborhood) in Qazvin

Urban planners can create a stable balance between urban spaces with the help of appropriate spatial planning to maintain and strengthen urban identity in neighborhoods. This study, helps to provide a suitable spatial planning for historic and new urban areas, by discovering the relationship between the environment and humans and the current problems of spatial planning are examined. It examines and recognizes the effects of the structure and elements of the space organization on citizenship identity in historical and new neighborhoods in order to prevent the decline of urban identity in neighborhoods. In this research, field and library studies have been used to collect information. After studying different texts and explaining the theoretical foundations, several criteria and sub-criteria were extracted from the theoretical foundations and Delphi method was used to determine the criteria that have a higher priority in conducting research, forty questionnaires were distributed among experts and university professors and after analyzing the questionnaires in the third stage, a consensus was reached for the panel members and the main criteria for further research were extracted. With the help of the main criteria extracted from Delphi, a citizen questionnaire was prepared and distributed. The statistical population includes residents of historical and new neighborhoods of Qazvin, which with the help of Cochran's formula, six hundred people have been selected as a sample and citizens' questionnaires have been distributed among them, also, using statistical analysis (descriptive statistics and inferential statistics) in SPSS software, information is analyzed and hypotheses are confirmed or rejected. Finally, solutions, suggestions and executive actions of the research are presented. One of the results of this study is that planning and spatial interventions in the form of a comprehensive and detailed plan have not been able to maintain or strengthen the urban identity of citizens in the historical context.