The Airbus A300 And the Airbus A330
There are many Airbus versions. You have not mentioned which. - In the A380 a K seat is by the starboard (right ) window
Seat 23A on an Air France Airbus A330 is a window seat located in the middle of the aircraft, directly over the left wing.
An Airbus A318 will typically accommodate between 18 and 132 passengers.
Airbus A330-200
It really depends on the type of airbus and the seat layout of what the airline wants.
In the Summer I recall the Airbus A300-600 being used
Airbus A300-600R
The Airbus A300 is a 266 seat short/medium-range twin-engined aircraft that entered service in 1974. The Airbus A380 is a 853 seat long-range four engined aircraft that entered service in 2007.
Monarch Airlines use the Airbus A321 for flight ZB520 between Manchester and Antalya.
Monarch A321s and Airbus 320s amongst others.
I believe it's scheduled an Airbus A321.