Regions
'regions' is the definition.
(province is a kind of region)
This is all the clue.
(Other definitions for provinces that I've seen before include "Constituent parts of, eg, Canada or South Africa" , "Subdivisions of a region" , "Regions" , "Geographical areas - four in Ireland" .)
'regions' is the definition.
(district is a kind of region)
This is the entire clue.
(Other definitions for districts that I've seen before include "Regions, administrative areas" , "Areas of jurisdiction" , "Certain areas, regions" .)
'regions' is the definition.
(a region is an area or location)
This is the entire clue.
(Other definitions for areas that I've seen before include "Localities" , "Geographical regions" , "Places" , "Spaces covered by two-dimensional surfaces" , "Zones" .)
'regions' is the definition.
(zone is a kind of region)
This is all the clue.
(Other definitions for zones that I've seen before include "territories" , "Belts" , "Defined regions or areas" , "Districts" , "Sectors" .)