English region (4,6)
'english region' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for east anglia that I've seen before include "Region of England" , "part of England" , "Area of England" , "UK region" , "Steal again (anag.)" .)
(Other definitions for merseyside that I've seen before include "Liverpool's location" , "Liverpool area" .)