This volume contains a series of contributions from esteemed legal experts who participated in a conference dedicated to the memory of Demetra Kondogiorgou-Theoharopoulou, an emeritus Professor of Administrative Law and Administrative Science at the Aristotle University of Thessaloniki.

Demetra Kondogiorgou-Theoharopoulou was a member of the Administrative Council and Vice President of the Administrative Studies Society for many years, as a token of gratitude for her contribution to science and education in general.