This book constitutes the refereed proceedings of the 23rd IFIP WG 8.6 International Working Conference on Digital Adoption, Diffusion and Innovation in the Augmented and Digital Society, TDIT 2025, which took place in Jakarta, Indonesia, on September 2-4, 2025. The 44 full papers were presented in this volume were carefully reviewed and selected from 187 submissions. The papers of the 2 volume-set were organized in the following topical sections: Part One: Digital Government, Public Services and Society; Digital Entrepreneurship and Innovation; Adoption of Smart Technologies; Part Two: Data and Digital Transformation; AI Ethics and Healthcare; Digital Security and Safety; and AI in Marketing and Consumer Behaviour.