The Conclusion of this book shows its particular contribution to the extension of knowledge about the state, functioning, causes and mechanisms of the development of nature based tourism in metropolitan areas named Metropolitan Commuter Belt Tourism. In fact, the problems of metropolitan commuter belt tourism were considered in combination with rural tourism, agritourism, ecotourism, forest and culinary tourism. This contribution was divided into four sections: metropolisation, natural and anthropogenic tourism resources of metropolitan areas; hypotheses about the functioning of nature-based tourism in metropolitan areas; new concepts in the development of rural tourism and agritourism.