Investigating and analyzing the components of urban vitality in sustainableresidential spaces in order to achieve happiness and social welfare of citizens (Case study: Residential neighborhoods in Babolsar city)

The expansion of urbanization and the accelerated growth of cities, followed by modernist thinking and the change in the life patterns of modern people, have created problems for cities, so that the city as a living entity has lost its freshness and vitality. the purpose of this research is to identify the desirable parameters of urban vitality and its role in stable neighborhoods and patterns of happy neighborhoods to achieve the happiness of citizens in coastal residential spaces in babolsar city, so that, the residential neighborhoods provide the possibility of active presence of people to participate in various activities. this research is done by a descriptive - analytical method and is of applied research type. documented studies (theoretical framework of the research) and field studies have been used to collect the required information. in order to check the hypotheses of the research, first through a semi-structured interview, then 383 questionnaires were distributed among the residents of residential areas, managers and academic elites. spss version 23 software was used to analyze the information and to advance the goals of this research. the results showed that the level of happiness of the citizens living in the studied localities is moderately high and the level of satisfaction of the residents with the current situation is moderately low. according to the respondents, collectivism and social interactions, protection of resources and the natural environment, green space management, governmental associations and urban management are among the most important factors affecting the happiness of the residents.