This document discusses smart tourism ecosystems and smart tourism destinations. It defines a smart destination as one that makes intensive use of technological infrastructure from a smart city to enhance the tourism experience for visitors and empower organizations to make data-driven decisions. Some challenges discussed include connectivity, security, and understanding the convergence of the physical and digital worlds. CICtourGUNE is presented as providing value through activities like information modeling, big data analysis, and defining requirements. Examples of its platforms and tools are also summarized. Overall conclusions discuss the need for interdisciplinary work, experimental living labs, and more industry/research collaboration to build smarter destinations.