This book constitutes the proceedings of the 15th International Conference on Electronic Government and the Information Systems Perspective, EGOVIS 2026, held in Graz, Austria, during August 11–13, 2026, Proceedings,

The 10 full and 5 short papers included in the proceedings were carefully reviewed and selected from 25 submissions. They were organized in topical sections as follows: Legal Aspects and Challenges; Digital Transformation and E-government Adoption; AI in E-Government; E-Government Architecture and Security Issues; E-Government Cases.