The Greek defender, who joined the Gunners from PAS Giannina three years ago, will continue his development at Mercedes-Benz Arena next term
Arsenal have sent Konstantinos Mavropanos back out on loan to Stuttgart for the duration of the 2021-22 campaign.
Mavropanos has made a swift return to Mercedes-Benz Arena after impressing in his first loan spell with the German club last term.
The 23-year-old will join up with his Stuttgart team-mates again ahead of pre-season as they bid to improve on their ninth-place Bundesliga finish in 2020-21.