This section addresses the concept of the ecotourist and its applications in the tourism sector within the context of environmental sustainability. It is stated that environmental changes stem from issues such as climate change, biodiversity loss, and pollution, while emphasizing that human activities trigger these problems. It is acknowledged that tourism has negative impacts on the environment, thus highlighting the increasing importance of eco-friendly approaches. Ecotourists are defined as conscious travelers who respect nature and local cultures and aim to minimize environmental impacts. This section examines the demographic characteristics of ecotourists (such as age, education, and income levels), their travel motivations, and their preferences for eco-friendly accommodations. Additionally, it discusses international initiatives and certification programs that promote environmentally responsible behaviors among ecotourists. Finally, the importance of education and awareness campaigns in enhancing the sustainability of ecotourismEcotourism is emphasized, and it is stated that ecotourists bear the responsibility of preserving natural resources and leaving a clean environment for future generations.