This thesis discusses the relation between the Islamic tradition and sexuality, while focusing on sources of the Sunni Islam. It quotes from the Qur'an, hadiths, classical works of the Islamic jurisprudence and various fatwas. It deals with sexual aspects of the marital relationship, including the polygyny, with partners' rights and duties in the intime life and also with limitations given for choosing a partner. It also deals with allowed sexual relationship with slave-girl and forbidden sexual relationships like adultery or homosexual activities. It discusses the ritual purity related to sexual activities and menstruation and it also discusses male and female circumcision. It specifies a male nakedness and female nakedness and analyzes the right for pleasure and orgasm and discusses some sexual practices like coitus interruptus, masturbation or oral and anal sex. In case sof forbidden relationships, activities and practices it describes punishments.