Speaking to the official Stoke website, Ireland said: "I had a great relationship with Mark at Manchester City and I was desperate to work with him and his staff again.
"Mark knows how I play and how to get the best out of me.
"I do feel as though I've something to prove and I'm coming here to get myself back playing.
"There are still lots of things I want to achieve. I've set myself a lot of goals and want to hit the ground running. I turned 27 last week and to me it's vital I'm playing on a regular basis.
"I'm so grateful to Stoke for the opportunity. I'm looking forward to getting stuck into training and building my career back up again."
For the big stories and the banter follow us on Twitter: @tribalfootball