<Tr> <Td> County 3 </Td> <Td> Ceredigion, Pembrokeshire, Carmarthenshire </Td> </Tr> <Tr> <Td> County 4 </Td> <Td> Swansea, Neath Port Talbot </Td> </Tr> <Tr> <Td> County 5 </Td> <Td> Bridgend, Rhondda Cynon Taff, Merthyr Tydfil </Td> </Tr> <Tr> <Td> County 6 </Td> <Td> Cardiff, Vale of Glamorgan </Td> </Tr>

What is the difference between a county council and a borough council