 Counties [[County Dublin|Dublin]], [[County Cork|Cork]], [[County Limerick|Limerick]], [[County Galway|Galway]], [[County Waterford|Waterford]] and [[County Tipperary|Tipperary]] have been broken up into smaller administrative areas.However, they are still treated as counties for cultural and some official purposes, for example, postal addresses and by the [[Ordnance Survey Ireland]].Counties in Northern Ireland are [[Local government in Northern Ireland|no longer used]] for local governmental purposes, but, as in the Republic, their traditional boundaries are still used for informal purposes such as sports leagues and in cultural or tourism contexts.