The provinces of Ireland as well as all cities and legal towns with more than 2,500 inhabitants.
The provinces of Ireland as well as all urban agglomerations ("aggregate towns") with more than 5,000 inhabitants.
The counties of Ireland as well as of all urban agglomerations (so-called "aggregate towns") and census towns.
The population of the provinces and counties of the Republic of Ireland.
The population of all electoral divisions in the former County Dublin.