Green Borough
Green Borough is short for 'Greenwich Borough' in South London. 

The 'Green' is also taken from the colour of the bins in the borough, and from the colour of the Greenwich Council logo, which are both green.

The endz in Green Borough are Woolwich, Plumstead, Charlton, Thamesmead, Greenwich, Abbey Wood, Kidbrooke and Eltham. 
Postcodes: (SE2, SE3, SE7, SE9, SE10, (parts of SE12), SE18, SE28). 

Some people from parts of Bromley Borough (eg. Penge & Crystal Palace) also call themselves 'Green Borough'.
Person 1: 'What endz are you from?'
Person 2: 'Yeh I'm from Green Borough'