WW1 Operational Theatres of War 1914-1920: The GreatWar 1914-1918
WW1 Operational Theatres of War 1914-1920
Military operations of the First World War took place in seven theatres of war around the world.
Alphanumeric codes were assigned to each theatre and operational area within it. These codes were used by the British military for the compilation of records of service and medals.
The alphanumeric codes were slightly amended after 1st January 1916.(1)
http://www.greatwar.co.uk/places/ww1-theatres-of-war.htm
