Tourist areas Princes Street, George Street, most of the Royal Mile and the Grassmarket are all now included.

BBC: Princes Street

Demonstrators from the Occupy Edinburgh movement tried to enter the Apex in the Grassmarket, but were stopped by the large police presence.

BBC: Scottish independence: David Cameron in referendum offer

The Cowgate, the Grassmarket, most of Gorgie Road, London Road and the top of Easter Road will be added to the central zone.

BBC: Princes Street