The Spanish international, 24, is out of contract in June 2018 and is facing an uncertain future.
He started just 15 La Liga games all season and he’s been linked with a move to Barcelona.
But Isco said: “I have always made it clear that I want to be here for many years.
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"I don't know why it surprises people that I want to play more.
"I want to stay in Madrid and for many years, both the club and I are going to make the right decision.”
Isco scored twice in the 3-2 win over Sporting on Saturday to maintain Madrid’s title charge.
Isco is determined to stay at Real Madrid
He added: “[Zinedine] Zidane creates the line-ups and is taking the squad in an extraordinary direction.
"[The win] is a sign that he is doing things very well.
"I know that I am at the best team in the world and I try to do my job with a lot of personality."
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