Organized by the Editorial Board of the "Journal of Architectural Sciences and Applications" (JASA) published in Dergipark and supported by IKSAD, In the "III. International Symposium on Architectural Sciences and Applications" (IArcSAS-2023), it is aimed to bring together qualified scientists from the world, to present their valuable research on Architectural Sciences, to share them and to bring them together on an international common platform. The third IArcSAS 2023 symposium will be held on September 14-15, 2023 in Naples (Italy), hosted by The Department of Civil, Architectural and Environmental Engineering (Dicea) of the University of Naples Federico II. In this symposium, disciplines such as Building Architecture, Landscape Architecture, City and Regional Planning, Interior Architecture, Civil Engineering, Industrial Product Design, which are under the umbrella of Architectural Sciences, are brought together to create a common language and vision, to conduct scientific and technical discussions, to conduct interdisciplinary and multidisciplinary studies. It is aimed to provide multi-faceted information sharing. This scientific and up-to-date Symposium will be held online and face-to-face between, September 14-15, 2023. The IArcSAS-2021 and IArcSAS -2022 Symposiums was completed successfully and with great participation. (IArcSAS-2021 Symposium Book Link: https://www.izdas.org/_files/ugd/614b1f_df6d7dfbc975453a8b4807a2f15f3ac8.pdf) (IArcSAS-2022 Symposium Book Link: https://www.izdas.org/_files/ugd/614b1f_8ee72e2b86bf41269fd82e84e38776b1.pdf) IArcSAS 2023 meets the academic promotion criteria of the relevant Institutions, including being appointed to associate professorship and professorship positions in terms of the Science and Advisory Board as well as the diversity of participating countries. Papers presented at the Symposium, English abstracts, or full texts will be published in the Symposium Proceedings Book with ISBN. In addition, the participants who wish can apply to the Journals scanned in the Tr Index and International index, as the full text of the papers is published only as "Abstract" in the Symposium Book. However, it will be possible for the Journals to be published if it is appropriate within their publication policies and referee processes. Therefore, the processes of the Journal are not related to the Symposium Organizing Committee.