The issue of dividing the province into two has been brought up several times.
The province is divided into 28 districts over an area of 4 711,15 km2.
The province has been divided into two districts since 1907.
In 1878, this province was divided into the following districts.
The province was divided into two representative districts until 1972.
The province has been divided into five congressional districts since 1907.
The province was divided into three congressional districts from 1907 to 1919.
The province was divided into two legislative districts from 1907 to 1972.
If a simple majority of either group wanted partition, then these provinces would be divided.
These three provinces and all districts are divided into territories.