The purpose of this research is to determine whether the religious life styles of domestic tourists have an effect on their buying process or not, to put their reasons of their choice of hotel in order by comparing the religious factors that determine their choice of hotel and to reveal the differences among their purchasing behavior. The method which is used in research is case study. 600 domestic customers in the “X” Islamic hotel and customers in the “Y” classic hotel were given the questionnaire in 2010. In this study, firstly, the findings about the religious life styles of the domestic tourists in the sample were given. In addition, the frequency, percentile distribution, average and standard deviation of the factors that could be influential in choice of hotels have been calculated and presented. Consumers surveyed prayer, fasting, Hajj and Zakat religious orders such as the expression of their attitude towards the variables (independent variables) and hotel preference variable (dependent variable) investigating the relationships between developed and tested hypotheses The research showed that there is a meaningful correlation between the religious believes and the choice of hotel of domestic tourists. Research findings revealed that people who are religious and follow the religious orders choose or purchase the touristic product accordingly. Thus touristic product selection and buying behavior of inland tourists depends on the intensity of people's efforts to act in accordance with religious orders.