5 aircraft and 6 cabin layouts, from the A319 to the A321neo. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 5 Vueling aircraft here: the Airbus A319, the Airbus A320, the Airbus A320neo, the Airbus A321 and the Airbus A321neo.
The Airbus A321neo, with 236 seats: 236 Economy in its main layout.
The Airbus A319, with 28" to 31" of seat pitch in Economy and seats 18" wide.