Iranian architecture, like its other cultural and civilizational aspects, is an issue that has always been discussed with the confusion of matter and form, and among these, tombs and holy shrines have a sublime place in Iranian-Islamic art and architectural decorations in Different periods of Islamic history have been a large part of the art of Islamic lands, especially Iran. In this regard, in order to identify the architectural elements and decorations of the building of Imamzadeh Qasem and Zeyd in Azna in different historical periods, the answer to the research questions is: 1. What is the history of the historical building of Imamzadeh Qasem and Zeyd in Azna? 2. What are the decorative additions and elements of this building in different periods? In this article, while paying attention to the visual values of Imamzadeh Qasem and Zeyd in Azna during different periods, in a descriptive-comparative method and with reference to library resources and based on field research and in part laboratory studies, the most significant components and decorative elements of Imamzadeh Qasem and Zeyd in Azna was introduced and examined. The result of research indicates that the elements and components of architecture and decoration in the building of Imamzadeh Qasem and Zeyd Azna as a living and expressive document of the periods; Ilkhanid, Timurid, Safavid and Qajar. In this research, an attempt has been made to explain the components and decorative elements of this building, which will be briefly discussed in this research.
