The sky has always been inspiring for humankind. He has always observed the sky to explore the universe and understand its scientific laws. In the world of astronomy, a total solar eclipse is one of the most spectacular nature’s shows. Solar eclipse can be a great pretext to promote tourism in a scientific way and eclipse chasing is a kind of astrotourism that promotes sustainable tourism development. This research is a pioneering work to demonstrate a rare opportunity for Spain to host one of the greatest eclipse chasing events through history in 2026, 2027 and 2028. This work aims to provide a primary study about the upcoming phenomena in order to start an early comprehensive plan to organize these events. The thesis follows studying the role of this rare opportunity to promote tourism in Spain based on planning, education and awareness. The research is both, descriptive and quantitative, consisting of a literature review followed by empirical investigation cooperating with the most well-known experts of this area. More than fifty experts and over 100 interested people from all over the world have collaborated in the research answering to online questionnaires. The findings show fantastic potentials in Spain to be prepared and hold eclipse celebrations throughout the country. The author presents featured locations to observe the upcoming eclipse in Spain based on astronomical calculations, weather forecast models and tourism potentials. Moreover, the thesis suggests the most necessary actions and creative activities to be accomplished in line with the objectives of this research