Lee (also Lee Green) is a district of South East London, located mostly in the London Borough of Lewisham and partly in the Royal Borough of Greenwich. The district lies to the east of Lewisham, one mile west of Eltham, and one mile south of Blackheath village. Lee is within the SE12 postcode district and was originally the district's name; Lee Green is the name of the electoral ward covering the area of Lee within the Lewisham Borough.
Served by Lee Station and various buses
More information on the Wikipedia page 
See also Lee Valley Park