This study aims to create a digital archiving system of immovable cultural assets belonging to the early Turkish time frame in Urla historic center. Forming a database with the assistance of the Geographic Information System (GIS) to comprehend and assess the life stories of monuments and to access various user profiles is also considered. In the methodology section; academic articles, books, journals, personal archives, data acquired from state institutions or architectural offices, and the data obtained during fieldwork (physical status and interviews with users) were processed in a GIS platform. Academic reviews and researches of the buildings were conducted. In the decision-making process, which is a sophisticated and multidimensional process, the share of conservation data and data management in the whole process becomes progressively significant. Documentation and registration of architectural immovable cultural assets, which is one of the important figures in the urban context, are conducted under the supervision of the Regional Directorate of Pious Foundations or the Conservation Board. Therefore, extracting a large number of mass data produced each year and making the required classifications make assist decision-making processes. In the discussion and results part, analysis and comparative study of all conservation data of the cultural assets were performed. The results for constructing the database are understanding the scope, accessibility, developers, scale, and data types. In the results for the conservation data archived: are understanding historical background, physical characteristics, conservation activities, and interpreting conservation decisions about buildings.