Diploma thesis goal is to define the extent of possibilities which are presented to client who is interested in vacation in Crete offered by selected travel agencies. The thesis is divided into four chapters. In the first chapter, there are theoretically explained the most important concepts, terms and topics associated with tourism and travel agencies. Following chapter is from tourism development point of view oriented on the destination analysis. Characterictic traits, geography, history, weather conditions, administrative units and the most atractive sites of the island are described. In the third chapter, there are ten travel agencies according to given criterions selected and introduced. Supply of these companies related to Crete is s...