In the context of growing smart tourism, this research is to assess the status of artificial intelligence application (AI) in Da Nang - one of the leading destinations in Vietnam. Research objectives include: Analyzing AI deployment level in tourism businesses, assessing visitors' approaches to AI services, and proposing AI application solutions to enhance tourist experience in personalization and localization. Research methods using mixed data from secondary sources (industry reports, local policies, academic documents) and primary (intensive interviews and tourism businesses in Da Nang). The data is analyzed by qualitative and quantitative tools to ensure objectivity and comprehensive. The results showed that large enterprises in Da Nang have initially applied AI to management, marketing and customer care. However, most small and medium enterprises still have barriers on costs, infrastructure and human resources. At the same time, the current AI applications have not really met the needs of deep personalization and connected to the local cultural experience - the factor that is particularly concerned by modern tourists. Since then, research and propose AI application solutions in the direction of building a platform to support the journey, explore local cultural identity, suggest sustainable tourism activities, support language and real -time navigation. At the same time, emphasizing the role of the central government and Da Nang city in perfecting the legal corridor, supporting digital transformation, and developing smart travel data ecosystems. Application "Vaiet" - AI AI travel assistant - proposed as a potential model of integrating the above solutions, contributing to locating Da Nang as a smart, personalized and indigenous tourist destination.