Deletion of South-eastern Sydney

Comment: South-eastern Sydney is a convenient grouping of geographically-related suburbs. The label is used by various organisations and departments, such as http://www.agpn.com.au/site/index.cfm?leca=79 Medicine, http://www.abc.net.au/news/olympics/torch/torch-14sep2000-3.htm News, http://easterndistributor.com/index.php?url=/contents/show/5 Transport. I believe this use in  is sufficient to establish notability
Stance: keep
Cited policy: Wikipedia:Reliable sources (WP:RS)