Cal GIS
   This annual conference is held in California every February.
   http://www.calgis.org/

Digital Earth 2003
   Information Resources for Global Sustainability Symposium 21.-25.9 2003, Brno, Czech Republic.
   http://digitalearth03.geogr.muni.cz

ESRI User Conference 2001
   (July 9 - 13, 2001) Held annually in San Diego, California, this is the biggest GIS conference with over 9,000 people in attendance last year.
   http://www.esri.com/events/uc/index.html

GIS Cafe Events Calendar
   Calendar of GIS related events and conference organized by the GIS Cafe.
   http://www10.giscafe.com/EVENT/index.php

GIS Day
   Event that formalizes the practice of GIS users and vendors of opening their doors to schools, businesses, and the general public to showcase real-world applications.
   http://www.gisday.com/

GIS Lounge Conference Listings
   Listings of GIS conferences arranged by month.
   http://gislounge.com/conf/conindex.shtml

GIS Research UK
   (April 18-20, 2001) Hosted at the University of Glamorgan in Wales, this conference focuses on the use of GIS in British academia.
   http://www.comp.glam.ac.uk/gisruk/gisruk.html

GeoS 2005
   International conference on Geospatial Semantics. Forum for the exchange of research results related to the facets of modeling and processing geospatial semantics. Conference proceedings will be published as a volume in Springer's LNCS series.
   http://www.geosco.org

GeoSpatial World
   (June 18-21, 2001) Intergraph's Geospatial User's Group Conference to be held in Atlanta, Georgia.
   http://www.intergraph.com/gis/community/geospatialworld/

Map India 2001
   (4-6 February, 2001) This 4th annual conference covers all aspects of GIS including remote sensing, GPS and aerial photography.
   http://www.mapindia.org/

UbiGIS 2004
   First international workshop on Ubiquitous GIS in conjunction with International Conference on Geoinformatics.
   http://www.geoinform.fh-mainz.de/~zipf/ubigis/