British military graves in the Somme region by identification 1915-1918
There are 243 British military cemeteries in total in the Somme department; 135 for those who died in the region between 1915 and 1916 (primarily due to the First Battle of the Somme in 1916), 102 for those who died in the region in 1917 and 1918, and six cemeteries made by medical staff much further from the frontlines (known here as "bases").