Although the map correctly shows the area under british mandate , it incorrectly shows the east bank of the Jordan river as part of Palestine, prior to the British mandate the area east of the Jordan river was a part of Ottoman Syria reference https://www.un.org/unispal/history2/origins-and-evolution-of-the-palestine-problem/part-i-1917-1947/#Annex_II_82118220Excluded_areas8221_under_Hussein-McMahon_Correspondence_Map
