London Manchester Newcastle Upon Tyne Birmingham
Speke Bootle St Helens Wallasey
Manx Sea North Sea English Channel Irish Sea
River Weaver River Dee River Severn River Mersey
Garston Wallasey Bootle Southport
Flintshire Lancashire Cheshire Staffordshire
North West South East South West North East
730 000 1 300 000 1 800 000 2 300 000
Knowsley Bootle Birkenhead Garston