Donegal is in Ulster. Ulster is made up of three counties in the Republic of Ireland - Cavan, Monaghan and Donegal and six counties in Northern Ireland (UK): Antrim, Derry, Down, Armagh, Tyrone and Fermanagh
Cavan - UK Parliament constituency - ended in 1885.
Cavan - UK Parliament constituency - was created in 1801.
Monaghan - UK Parliament constituency - was created in 1801.
Monaghan - UK Parliament constituency - ended in 1885.
East Cavan - UK Parliament constituency - ended in 1922.
East Cavan - UK Parliament constituency - was created in 1885.
North Donegal - UK Parliament constituency - was created in 1885.
North Donegal - UK Parliament constituency - ended in 1922.
South Monaghan - UK Parliament constituency - was created in 1885.
South Monaghan - UK Parliament constituency - ended in 1922.
North Monaghan - UK Parliament constituency - ended in 1922.