These proceedings contain 27 papers which are the peer-reviewed versions of presentations made
at the International Association of Geodesy (IAG) symposium Gravity Geoid and Height Systems
2016 (GGHS2016). GGHS2016 was the first Joint international symposium organized by IAG
Commission 2 Gravity Field the International Gravity Field Service (IGFS) and the GGOS Focus
Area Unified Height System. It took place in Thessaloniki Greece in September 19-23 2016 at
the premises of the Aristotle University of Thessaloniki. The symposium was organized by the
Department of Geodesy and Surveying of the Aristotle University of Thessaloniki which
presently hosts the IGFS Central Bureau. The focus of the Symposium was on methods for
observing estimating and interpreting the Earth gravity field as well as its applications.
GGHS2016 continued the long and successful history of IAG's Commission 2 Symposia.
