This book is a compilation of accepted papers presented at the International Conference on Intelligent Digital Systems and Sustainable Technology (ICIDST) organized by Al-Farahidi University, Iraq, on June 25-26, 2025. This book highlights some of the latest research advances and cutting-edge analyses of real-world problems related to recent trends and applications of artificial intelligence in various domains. This includes state-of-the-art models and methods used on benchmark datasets. The conference topics are divided into four tracks as given below: 1.Artificial Intelligence and Applications, 2.Modeling and Simulation in Intelligent Digital Systems, 3.Innovations in Sustainable Technology and Smart Systems, and 4.Digital Transformation and Applications