Iniesta has been a regular in Barcelona's starting line-up since making his debut back in 2002.
The midfielder was made club captain after Xavi's departure to Al Nasr two years ago.
His current deal expires at the end of next season and, as of yet, no extension has been agreed.
And Iniesta has not ruled out leaving Barcelona ahead of their Champions League showdown with Juventus.
Andres Iniesta has refused to commit his future to Barcelona Barcelona wages revealed: Which stars earn most? Fri, March 24, 2017
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"You have caught me out with that question," he said.
"Tomorrow we've got a lot to play for, individually and collectively, and nothing has changed from what I said in recent weeks.
"At the end of the season we will look at several things and from there we will see.
"My feelings and desires have not changed from what I said in recent years but now is not the moment to talk about it because we have a lot to play for this week (in the games against Juventus and Real Madrid)."
Andres Iniesta has been a regular in Barcelona's XI since making his debut in 2002
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The 32-year-old has spent all of his career at Barcelona after graduating from their famous La Masia academy.
Pep Guardiola managed Iniesta earlier in his career and a reunion at the Etihad Stadium could be on the cards.