This chapter discusses tourism guests and hosts. It defines guests as outside visitors entertained by a community or region, and hosts as the people or entity providing entertainment to guests. The chapter outlines different types of guests, including business guests who travel for non-discretionary reasons like conventions, and pleasure guests whose travel is affected by income and family stage. It also describes how a guest's life stage, such as young single, married with children, or widowed can impact their travel patterns. Finally, the chapter introduces different categories of tourism including business, ethnic, cultural, historical, environmental, and recreational.