Architectural design represents one of the fundamental pillars in shaping societies and their development, as it reflects cultural identity while meeting human, aesthetic, and functional needs. With the rapid pace of digital transformation, integrating digitalization into architectural design principles has become a vital necessity to create smart and sustainable environments. Digitalization enables the use of advanced technologies such as 3D modeling, virtual simulation, and big data analysis, which enhance efficiency, reduce errors, and improve execution quality. It extends beyond the design phase to cover construction, management, and operation, allowing energy consumption monitoring, resource management, and innovative solutions that provide comfort and adaptability for users. From a sustainability perspective, this integration achieves Sustainable Development Goal 11: "Sustainable Cities and Communities," by contributing to the creation of eco-friendly smart cities that balance technology, humanity, and nature. Architectural design principles enhanced by digitalization ensure resilient and efficient urban environments, reduce carbon emissions, and improve quality of life, making them an essential step toward a more sustainable and innovative future.<br /><br />Almustaqbal University, The First University in Iraq.