The hospitality industry is a broad category of fields within the service industry that includes lodging, food and drink service, event planning, theme parks, transportation, cruise line, traveling and additional fields within the tourism industry.The hospitality industry is an industry that depends on the availability of leisure time and disposable income. A hospitality unit such as a restaurant, hotel, or an amusement park consists of multiple groups such as facility maintenance and direct operations (servers, housekeepers, porters, kitchen workers, bartenders, management, marketing, and human resources etc.).Before structuring as an industry, the historical roots of hospitality was in the western world in the form of social assistance mainly for Christian pilgrims directed to Rome. For such a reason, the eldest public hospital in Europe was the Ospedale di Santo Spirito in Sassia founded in Rome in the VIII century A.D. on the model of the oriental world.