Irish Sea

Columns: Rank | City/town | County | Region/province | Population | Country
1 | Dublin | County Dublin | Leinster | 1,173,179 | Republic of Ireland | 2 | Liverpool | Merseyside | North West | 864,122 | England | 3 | Belfast | County Antrim | Ulster | 847,153 | Northern Ireland | 4 | Blackpool | Lancashire | North West | 82,964 | England | 5 | Morecambe | Lancashire | North West | 50,525 | England | 6 | Birkenhead | Merseyside | North West | 49,242 | England | 7 | Bangor | County Down | Ulster | 41,011 | Northern 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