It's really easier to maintain full list of countries in DB than end up with such (growing day by day) list for Great Britain only (authentic data from production):
CENTRE LONDON
UNITED KINGDOM
U?K
NORTHERN IRELAND
WEST MIDS
CENTRE LONDON
WEST YORKSHIRE
ENGLAQND
UK
?UK
GB,UNITED KINGDOM
GB
ENGLAND
N.IRELAND
MIDDLESEX
CORNWALL
GREAT BRITAIN
U.K.
WALES
NIRELAND