What are the five smallest counties in England?

In 2009 there were major structural changes to local government in England.
90 metropolitan counties, non-metropolitan counties and unitary authorities were created.
The historic counties of England of which Rutland was the smallest has now been integrated into this new list. Rutland is now 49th on this list

In 2012 the official 5 smalllest counties in England are:
Reading
Portsmouth
Blackpool
Slough
Scilly

If you want to mess with my answers get your facts right first.

The link below has the ofiical and correct answer.