In 1959, the Economic and Social Council paved the way for a small group of experts to meet and provide technical recommendations on standardizing geographical names at the national and international levels. This meeting gave rise to the United Nations Conferences on the Standardization of Geographical Names (UNCSGN) and to the United Nations Group of Experts on Geographical Names (UNGEGN). The UNCSGN is held every five years, and UNGEGN meets between the Conferences to follow up the implementation of resolutions adopted by the Conferences and to ensure continuity of activities between Conferences. This publication reviews work done during the 2017 session.