4 aircraft and 5 cabin layouts, from the A319 to the A330-200. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 4 Tunisair aircraft here: the Airbus A319, the Airbus A320, the Airbus A320neo and the Airbus A330-200.
The Airbus A330-200, with 266 seats: 24 Business and 242 Economy in its main layout.