The 'Mediterranean Traveller Map Pack' will add six new maps to the multiplayer mode, including Jerusalem, Constantinople and Dyers.
The pack will also revisit classic Assassin's Creed: Brotherhood maps Firenze (Florence), San Donato and Siena.
The 'Mediterranean Traveller Map Pack' will be available from January 24 on Xbox 360, PlayStation 3 and PC for 800 Microsoft Points / £7.99.
Assassin's Creed: Revelations was released last November and was followed by the 'Ancestors' pack in December, which added four new characters to multiplayer.
> Read our review of Assassin's Creed: Revelations
View images of the 'Mediterranean Traveller Map Pack' below: