Explain the role and effects of tourism development on the promotion of cultural and urban sustainability variables(case study: Rasht city)

tourism is the third largest economic industry in the world, and for most people, the term tourism refers to leisure travel, according to the tourism organization, it means travel for various purposes except travel for work, migration and local and regional activities. In the present era, tourism is one of the effective factors in the development of relations between nations and is considered as a creator of job opportunities in the economic sector and the creation of socio-cultural interactions. Urban tourism is a very important factor in the development of cities, because it has great potential to attract tourists. Cities in the northern region of the country, including Rasht, have a great potential to attract urban tourism due to their special climatic, cultural and historical conditions. Since each factor, including tourism, has different effects; This means that no single factor can be positive or negative. This study seeks to investigate the effects of urban tourism on 4 variables of sustainable urban development (social sustainability, physical sustainability, environmental sustainability and economic sustainability) from the perspective of 263 residents of Rasht and 11 professors and experts in tourism . This research is a descriptive-analytical method based on the method. The results of statistical tests used in the research indicate that urban tourism in the city of Rasht has been able to effectively make the city of Rasht more sustainable. Tourism in Rasht has been able to have the greatest impact on sustainable economic development and the least impact on sustainable environmental development.