4 aircraft and 7 cabin layouts, from the A320 to the A321neo. Pick one for its seat map, the best seats and the seats to avoid.
There are seat maps for 4 Aegean Airlines aircraft here: the Airbus A320, the Airbus A320neo, the Airbus A321 and the Airbus A321neo.
The Airbus A321neo, with 220 seats: 42 Business and 178 Economy in its main layout.
The Airbus A320neo, with 28"to 35" of seat pitch in Economy and seats 18" wide.