Produced by the Environmental Systems Research Institute (Esri), the Esri International User Conference (Esri UC) is the world's largest event dedicated to geographic information system(GIS) technology..

The conference offers more than 600 GIS user presentation sessions, 300 exhibitors, 275 technical workshops, 100 special interest, regional, and user group meetings, and 600 map posters and special displays from more than 100 countries. Thousands of professionals from different industries attend the Esri UC.