An area of land that can be considered as a unit for the purposes of some geographical classification.(noun)
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Use "geographical area" in a sentence
"On October 16, 1863, General Grant had been assigned to the command of the "Military Division of the Mississippi," a geographical area which embraced the Departments of the Ohio, the Cumberland, and the Tennessee, thus effecting a consolidation of divided commands which might have been introduced most profitably at an earlier date."