The tourism industry is undergoing an exceptionally rapid transformation driven by technological advancements. It continues to bring the world closer and more accessible, making travel and adventure activities more interesting and accessible for all, and also ensuring efficiency and interconnectedness. This book chapter explores the concept of the smart tourismSmart tourism ecosystem and the role of advanced technologies such as the Internet of ThingsInternet of Things (IoT), blockchainBlockchain (BC), and metadataMetadata in creating a more effective, more connected, personalized tourism experience, and a secure ecosystem. It will examine how this advanced technology is reshaping the tourism industry in various aspects, such as destination management and effective service delivery to tourists, and ensure a high level of user satisfaction. This chapter will also discuss the challenges and limitations of smart tourismSmart tourism, which include technological dependencies, data securitySecurity and privacyPrivacy concerns, and interoperabilityInteroperability issues, and will highlight the need for a proper, robust policy and governance framework. By analyzing real-world applications and future trends of these technologies, this chapter’s objective is to provide valuable and in-depth insight for academicians, policymakers, researchers, and other stakeholders in the tourism industry.