what are the largest towns in Dorset?

[pregmummy]

Holidaying in Dorset in the Summer, near Lyme Regis - just wondring what the biggest towns are, in case of wet days

Bournemouth
Poole

Dorchester
Weymouth

Also, Exmouth and Exeter in Devon.

(Bournmouth and Poole would be fair old journey as other side of county.)