The GGHS2016 “Gravity, Geoid and Height Systems 2016” Meeting is the first Joint Commission2 and IGFS Symposium co-organized with GGOS Focus Area 1 “Unified Height System”. It will take place in Thessaloniki, Greece September 19-23, 2016 at the premises of the Aristotle University of Thessaloniki (Main Ceremony Hall of the Aristotle University of Thessaloniki). Its main focus is on methods for observing, estimating and interpreting the Earth gravity field as well as its applications.