Irish Sea
Cities and Towns
Columns: Rank | City/Town | County | Region/Province | Population | Country
1 | Dublin | County Dublin | Leinster | 505739 | Republic of Ireland | 2 | Liverpool | Merseyside | North West | 447500 | England | 3 | Belfast | County Antrim | Ulster | 276459 | Northern Ireland | 5 | Blackpool | Lancashire | North West | 142900 | England | 6 | Southport | Merseyside | North West | 99456 | England | 7 | Birkenhead | Merseyside | North West | 83729 | England | 8 | Bangor | County Down | Ulster | 76851 | Northern Ireland | 9 | Barrow-in-Furness | Cumbria | North West | 71980 | England | 10 | Wallasey | Merseyside | North West | 58710 | England | 11 | Crosby | Merseyside | North West | 51789 | England | 12 | Morecambe | Lancashire | North West | 45000 | England | 13 | Lytham St Annes | Lancashire | North West | 41330 | England | 14 | Drogheda | County Louth | Leinster | 35190 | Republic of Ireland | 15 | Dundalk | County Louth | Leinster | 35085 | Republic of Ireland | 16 | Rhyl | Denbighshire | Clwyd | 35000 | Wales | 17 | Bray | County Wicklow | Leinster | 31901 | Republic of Ireland | 18 | Thornton-Cleveleys | Lancashire | North West | 31157 | England | 19 | Colwyn Bay | Conwy | Clwyd | 30265 | Wales | 20 | Carrickfergus | County Antrim | Ulster | 27201 | Northern Ireland | 21 | Fleetwood | Lancashire | North West | 26840 | England | 22 | Douglas | N/A | Isle of Man | 26218 | Isle of Man | 20 | Workington | Cumbria | North West | 25978 | England | 23 | Whitehaven | Cumbria | North West | 25500 | England | 24 | Dún Laoghaire | Dún Laoghaire–Rathdown | Leinster | 23857 | Republic of Ireland | 25 | Llandudno | Conwy | Clwyd | 20090 | Wales | 26 | Larne | County Antrim | Ulster | 18228 | Northern Ireland