Irish Sea

Columns: Rank | City/town | County | Region/province | Population | Country
15 | Bray | County Wicklow | Leinster | 32,600 | Republic of Ireland | 16 | Colwyn Bay | Conwy | Clwyd | 31,353 | Wales | 17 | Thornton-Cleveleys | Lancashire | North West | 31,157 | England | 18 | Douglas | - | Isle of Man | 27,938 | Isle of Man | 19 | Carrickfergus | County Antrim | Ulster | 27,903 | Northern Ireland | 20 | Dún Laoghaire | Dún Laoghaire-Rathdown | Leinster | 26,525 | Republic of Ireland

Example questions:
When was the creation of the county where Crosby is located on the Irish Sea ? | When was the county where Bray is located on the Irish Sea founded ? | The city on the Isle of Man in the Irish Sea is located on what river ? | How many square kilometers are in the county where Bangor is located on the Irish Sea ? | When was the city on the Irish Sea in Clwyd established ?

Answers:
1 April 1974 | 1606 | River Douglas | 2,448 km2 | 1844