Countryside (5)
'countryside' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for rural that I've seen before include "Cobbett saw on his rides?" , "Not urban" , "covering the country" , "Countrified" , "Bucolic; pastoral" .)
(Other definitions for territory that I've seen before include "All the land belonging to a state" , "Region marked off for some purpose" , "One's own area, land" , "District, colony" , "Region, area under the control of a state" .)