en Studying the importance of the tourism industry for sustainable urban development (Case Study - coastal town: Chalus) تخصصي Special كاربردي Applicable Todays, sustainable development is one of the principles which are considered by scholars. This means that the future of humanity is very important to maintain living standards, so that it can no longer operate as before and use the human environment. Therefore the effects of tourism should be studied perfectly to minimize its threat and maximize opportunities and strength points and this would not be realized in case of cooperation of countries. To achieve sustainable development of cultural tourism, all segments of a society should engage based on the principles of sustainable development planning to turn it into a popular culture. Sustainable development and tourism have organic communication with each other. UNWTO defines sustainable development as a kind of development which meets to needs without affecting the interests of future generations and their needs. Tourism as a social and cultural reality has both positive and negative functions in society. "Enjoying the spaces, seeing different effects and customs, understanding the ways of life, preserving cultural resources are the most important functions and benefits of this sector in society. This paper intends to consider urban tourism and its role in development addresses sustainable, tourism types and defines sustainable development and sustainable urban development, urban tourism and examines the relationship between sustainable development and urban tourism and because urban tourism is one of the most important activities and programs for sustainable development and planning for it is one of the requirements in our country due to climatic variation, historical, cultural, ethnic and religious differences. Todays, sustainable development is one of the principles which are considered by scholars. This means that the future of humanity is very important to maintain living standards, so that it can no longer operate as before and use the human environment. Therefore the effects of tourism should be studied perfectly to minimize its threat and maximize opportunities and strength points and this would not be realized in case of cooperation of countries. To achieve sustainable development of cultural tourism, all segments of a society should engage based on the principles of sustainable development planning to turn it into a popular culture. Sustainable development and tourism have organic communication with each other. UNWTO defines sustainable development as a kind of development which meets to needs without affecting the interests of future generations and their needs. Tourism as a social and cultural reality has both positive and negative functions in society. "Enjoying the spaces, seeing different effects and customs, understanding the ways of life, preserving cultural resources are the most important functions and benefits of this sector in society. This paper intends to consider urban tourism and its role in development addresses sustainable, tourism types and defines sustainable development and sustainable urban development, urban tourism and examines the relationship between sustainable development and urban tourism and because urban tourism is one of the most important activities and programs for sustainable development and planning for it is one of the requirements in our country due to climatic variation, historical, cultural, ethnic and religious differences. sustainable development, tourism, urban tourism. sustainable development, tourism, urban tourism. 237 244 http://ijurm.imo.org.ir/browse.php?a_code=A-10-732-1&slc_lang=en&sid=1 Maryam Danesh Nejad مریم دانش نژاد meryam.daneshnejad@yahoo.com 10031947532846001980 10031947532846001980 Yes دانشگاه آزاد اسلامی واحد قزوین Keramat allah Ziari کرامت الله زیاری 10031947532846001981 10031947532846001981 No دانشگاه آزاد اسلامی واحد قزوین