2010–2024: The
District of Tendring wards of Alresford, Ardleigh and Little Bromley, Bradfield, Wrabness and Wix, Brightlingsea, Great and Little Oakley, Great Bentley, Harwich and Kingsway, Lawford, Manningtree, Mistley, Little Bentley and Tendring, Ramsey and Parkeston, and Thorrington, Frating, Elmstead and Great Bromley, and the
Borough of Colchester wards of Dedham and Langham, East Donyland, Fordham and Stour, Great Tey, Pyefleet, West Bergholt and Eight Ash Green, West Mersea, Wivenhoe Cross, and Wivenhoe Quay.
2024–present: The District of Tendring wards of Alresford & Elmstead, Ardleigh & Little Bromley, Brightlingsea, Dovercourt All Saints, Dovercourt Bay, Dovercourt Tollgate, Dovercourt Vines & Parkeston, Harwich & Kingsway, Lawford, Manningtree & Mistley, and Stour Valley, and the City of Colchester wards of Lexden & Braiswick (part); Mersea & Pyefleet, Old Heath & The Hythe, Rural North, and Wivenhoe. :
Minor changes – Old Heath and The Hythe areas to the south east of Colchester city centre added from Colchester, offset by the transfer of some rural areas in the east to Clacton. ==Members of Parliament==