Gundogan has signed a new contract extension with City, committing him to the Club until 2023.
"I am very happy to have signed the new contract," Gundogan told mancity.com.
“I have hugely enjoyed the last three years here at City and everyone at the Club has helped make me feel at home from my very first day.
“It's a privilege to be a part of this team, playing the style of football we do and winning trophies. It's very difficult to do that and I'm delighted to be a part of it.
“I'm really excited about what we can go on to achieve in the next few seasons."
Commenting on Gundogan's new contract, City Director of Football Txiki Begiristain said: “Ilkay's new deal is more excellent news for our Club.
“He has shown how important he is to the team and has played a huge part in everything that we have achieved so far.
“We are thrilled he has committed his long-term future to Manchester City."