This is a list of the counties of Ireland ordered by area. 26 of the 32 counties are in the Republic of Ireland and 6 are in Northern Ireland.
{| class="wikitable sortable col1center col7center"
|+ Counties of Ireland by area
! Rowspan=2 | Rank
! Rowspan=2 | County
! Colspan=2 | Area
! Rowspan=2 | Traditional province
! Rowspan=2 | Jurisdiction
! Rowspan=2 | Ref.
|-
! (km<sup>2</sup>)
! (mi<sup>2</sup>)
|-
| 1
| Cork
|
| Munster
| Republic of Ireland
|
|-
| 2
| Galway
|
| Connacht
| Republic of Ireland
|
|-
| 3
| Mayo
|
| Connacht
| Republic of Ireland
|
|-
| 4
| Donegal
|
| Ulster
| Republic of Ireland
|
|-
| 5
| Kerry
|
| Munster
| Republic of Ireland
|
|-
| 6
| Tipperary
|
| Munster
| Republic of Ireland
|
|-
| 7
| Clare
|
| Munster
| Republic of Ireland
|
|-
| 8
| Tyrone
|
| Ulster
| Northern Ireland
|
|-
| 9
| Antrim
|
| Ulster
| Northern Ireland
|
|-
| 10
| Limerick
|
| Munster
| Republic of Ireland
|
|-
| 11
| Roscommon
|
| Connacht
| Republic of Ireland
|
|-
| 12
| Down
|
| Ulster
| Northern Ireland
|
|-
| 14
| Meath
|
| Leinster
| Republic of Ireland
|
|-
| 15
| Londonderry
|
| Ulster
| Northern Ireland
|
|-
| 17
| Wicklow
|
| Leinster
| Republic of Ireland
|
|-
| 18
| Offaly
|
| Leinster
| Republic of Ireland
|
|-
| 19
| Cavan
|
| Ulster
| Republic of Ireland
|
|-
| 20
| Waterford
|
| Munster
| Republic of Ireland
|
|-
| 21
| Westmeath
|
| Leinster
| Republic of Ireland
|
|-
| 22
| Sligo
|
| Connacht
| Republic of Ireland
|
|-
| 23
| Laois
|
| Leinster
| Republic of Ireland
|
|-
| 24
| Kildare
|
| Leinster
| Republic of Ireland
|
|-
| 25
| Fermanagh
|
| Ulster
| Northern Ireland
|
|-
| 26
| Leitrim
|
| Connacht
| Republic of Ireland
|
|-
| 27
| Armagh
|
| Ulster
| Northern Ireland
|
|-
| 29
| Longford
|
| Leinster
| Republic of Ireland
|
|-
| 30
| Dublin
|
| Leinster
| Republic of Ireland
|
|-
| 31
| Carlow
|
| Leinster
| Republic of Ireland
|
|-
| 32
| Louth
|
| Leinster
| Republic of Ireland
|
|-
! Total
! style="text-align:left;" | Ireland
! style="text-align:right;" | 84,421
! style="text-align:right;" |
! style="text-align:left;" |
! style="text-align:left;" |
! style="text-align:left;" |
|}
See also
- List of Irish counties by population
- List of Irish counties by highest point
- List of Irish counties by coastline