Author Description

This volume contains selected peer-reviewed papers presented at the Third Hermann Minkowski Meeting on the Foundations of Spacetime Physics (11-14 September 2023, Albena, Bulgaria) organized by the Minkowski Institute(Montreal). These meetings are becoming one of the preferred biennial forums for reporting research results and having fruitful discussions with colleagues. The volume effectively conveys the diverse aspects of the foundations of spacetime physics, particularly those stemming from Minkowski's original vision, to the broader scientific community, showcasing innovative approaches and groundbreaking theories that push the boundaries of our understanding of the universe.