The inquiring mind of human being has always been looking for new and unique phenomena, and humans have undergone a great deal of suffering pursuing the recognition of unknown lands, and in fact they can be considered as the first tourists.
 Tourism is not a phenomenon peculiar to this day. It is a phenomenon that has long been considered by human societies, and has continued to advance in time according to different economic, social, historical and other needs. Tourism in today's world is pursued with various goals and objectives such as exchange of information and culture, increasing knowledge and awareness of past societies and spending leisure time, and it is becoming more and more valuable in economic, social and international structures. Domestic and foreign travels and, in parallel, formation of related activities in tourism competitions, will have many economic, political, social and cultural consequences for nations. According to information published by the World Tourism Organization W.T.O, today the tourism industry has become one of the most important economic sectors and, as a capable rival, is on the way to overcome industries such as oil, petrochemical and even automobile industry. In addition to economic aspects of tourism industry such as earning foreign exchange and ... the cultural, social and political aspects of tourism can be pointed out, which lead to closeness of nations and establishment of lasting peace in the world.