3 aircraft and 4 cabin layouts, from the A320neo to the A321neo. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 3 Transavia aircraft here: the Airbus A320neo, the Airbus A321neo and the Boeing 737-800.
The Airbus A321neo, with 232 seats: 232 Economy in its main layout.
The Boeing 737-800, with 29" to 30" of seat pitch in Economy and seats 17" wide.