Today, in the field of architecture and urbanism, the concept of semiotics and codes of cities from the body to the content and syntax, is increasingly important. In linguistics, architecture, language that in its text. In semantics, urban form, the text of the commentary. Astronomers study were systematically targeted by the city's landmarks crystalline in form and content. Of course, achieving this with careful consideration and thorough understanding of concepts such as signs, codes, semiotics, and several strains of the city and close relationship is possible. This is of particular manifestations of Islamic architecture and urban planning in this article refers to them briefly. The research method is descriptive-analytic and logical reasoning, also benefited. The findings of this study indicate that the codes of logic in the Islamic City by the convergence of natural factors, including the nature and evolution of the physical locations of the city over time (regulation of urban spatial structure, the skeleton of the city, urban spaces, typology of buildings , the image of the city) is determined. The concepts of ecological implications visually interpretable and hermeneutics, expression and design methodology of semiotic implications in various fields of art. And in recognition of architectural issue and provide insightful explanation of them has a tremendous impact.   The architectural elements such as the arch, balcony, arabesque domes and minarets and show your altar.