This chapter aims to provide a brief evolution of the overtourism concept, highlights its enables and its impacts, and then discusses the resulting managerial challenges. The chapter provides a perspective on overtourism based on a review of selected literature on the topic and its related areas. The findings discuss the diverse approaches so far proposed to define overtourism, while outlining the managerial challenges of overtourism. This chapter provides a sound background for researchers and practitioners involved in studying and managing tourism, it discusses the implications of overtourism and provides guidance for future theoretical and empirical research. This contribution offers an overview of research on overtourism and a theoretical framework for those interested in investigating this phenomenon.