Final answer:
The settlements along the Thames Estuary include York, Hull, Lincoln, Grimsby, Newark, Lynn, Colchester, Harwich, Bristol, London, Gent, Cologne, Weymouth, and Mainz.
Step-by-step explanation:
The settlements along the Thames Estuary include York, Hull, Lincoln, Grimsby, Newark, Lynn, Colchester, Harwich, Bristol, London, Gent, Cologne, Weymouth, and Mainz.