British Left left-wing party in the UK, by membership, is the Green Party of England and Wales. , membership was 45,643. The party has one Member of Parliament, Caroline Lucas, who was a Co-Leader of the Green Party of England & Wales; and was first elected as the MP for Brighton Pavilion at the 2010 general election. The other two political parties on the left and with representation in parliament are the centre-left Scottish National Party (SNP) and the left-wing Plaid Cymru. The SNP are only active in Scotland and Plaid are only active in Wales. The SNP has 35 MPs and
Brighton Pavilion (UK Parliament constituency) Stanmer, and Westdene. 2010–present: The City of Brighton and Hove wards of Hanover and Elm Grove, Hollingdean and Stanmer (called Hollingbury and Stanmer before 2011), Patcham, Preston Park, Regency, St Peter's and North Laine, and Withdean. The constituency was created in 1950 from the former two-member constituency of Brighton (one of the last remaining multi-member constituencies), for which Brighton Pavilion's first Member of Parliament, Sir William Teeling, had previously been the joint representative. The present name is derived from the Royal Pavilion. On current boundaries, the pavilion itself is right on the South-Eastern border of the seat – the opposite