Somerset County currently has 7 + 2 local green parties. The County Council includes the district councils of Mendip, Sedgemoor, West Somerset, Taunton Deane and South Somerset.
The unitary authorities of North Somerset and Bath & North East Somerset (aka BANES) include parts of the historical county of Somerset. From 1974 they were part of the area now known as CUBA (Counties that Used to Be Avon) before Avon was carved up into unitary authorities in 1996 (see Wikipedia for a history of Avon County)
The local green parties covering Somerset are: