Irische See
Keltische See
St.- Georgs- Kanal
ENGLAND
Merthyr Tydfil
Caer- philly
Blaenau Gwent
Torfaen
Monmouth- shire
Newport
Cardiff
Vale of Glamorgan
Bridg- end
Rhondda Cynon Taf
Neath Port Talbot
Swansea
Carmarthenshire
Ceredigion
Powys
Wrexham
Flintshire
Denbigh- shire
Conway
Gwynedd
Anglesey
Pembrokeshire
15
16
17
18
19
22
21
20
13
14
12
11
10
7
8
6
5
4
3
2
1
9