This book presents a selection of manuscripts submitted to the 3rd International Conference on Geospatial Information Sciences (iGISc) 2023, a hybrid conference held in November 2023. These papers were selected by the Scientific Program Committee of the Conference after a rigorous peer-reviewed process. They represent a sample of the wide range of applications that characterize the interdisciplinary research areas of the Geospatial Information Sciences. It especially represents a fabulous opportunity to exhibit research carried out by young researchers and showcase it to the rest of the world and enhance the growth of the sciences while, at the same time, enforces them to level up with other research at the international level.