- Electoral district number:
- Western Region
- 1,346,106 km2
- Number of electors on list****:
- Major census subdivisions (municipalities)***:
- Adjacent electoral districts
- Electoral boundaries established according to the 2013 Representation Order.
- * Denotes that a census subdivision covers more than one electoral district.
- ** Population based on 2016 census data.
- *** Municipalities in place during 2016 census.
- **** Number of electors on the final lists during the last event.