The ceremonial county of Devon, which includes the unitary authorities of Torbay and Plymouth, is divided into 12 Parliamentary constituencies: 4 Borough constituencies and 8 County constituencies. Constituencies 2010 boundary changes Under the Fifth Periodic Review of Westminster constituencies, the Boundary Commission for England decided to increase the number of seats in Devon from 11 to 12, with the creation of Central Devon, which impacted on neighbouring constituencies. An adjusted Teignbridge constituency was renamed Newton Abbot. Plymouth, Devonport, and Plymouth, Sutton were renamed Plymouth, Moor View, and Plymouth, Sutton and Devonport respectively following a small realignment of the boundary between the two constituencies. Proposed boundary changes See 2023 Periodic Review of Westminster constituencies for further details. Following the abandonment of the Sixth Periodic Review (the 2018 review), the Boundary Commission for England formally launched the 2023 Review on 5 January 2021. Initial proposals were published on 8 June 2021 and, following two periods of public consultation, revised proposals were published on 8 November 2022. Final proposals will be published by 1 July 2023. The commission has proposed that Devon be combined with Avon and Somerset as a sub-region of the South West Region, resulting in significant change to the existing pattern of constituencies. In Devon, East Devon, and Tiverton and Honiton would disappear, being replaced by Exeter East and Exmouth, Honiton and Sidmouth, and the cross-county boundary constituency of Tiverton and Minehead. Torridge and West Devon and Totnes would be renamed Torridge and Tavistock, and South Devon respectively. The following seats are proposed: Containing electoral wards from East Devon Exeter East and Exmouth (part) Honiton and Sidmouth (part) Containing electoral wards from Exeter Exeter Exeter East and Exmouth (part) Containing electoral wards from Mid Devon Central Devon (part) Honiton and Sidmouth (part) Tiverton and Minehead (part in the Somerset District of Somerset West and Taunton) Containing electoral wards from North Devon North Devon Containing electoral wards from Plymouth Plymouth Moor View Plymouth Sutton and Devonport South West Devon (part) Containing electoral wards from South Hams South West Devon (part) South Devon (part) Containing electoral wards from Teignbridge Central Devon (part) Newton Abbot Containing electoral wards from Torbay Torbay South Devon (part) Containing electoral wards from Torridge Torridge and Tavistock (part) Containing electoral wards from West Devon Central Devon (part) South West Devon (part) Torridge and Tavistock (part) Results history Primary data source: House of Commons research briefing - General election