The Frenchman has also been linked with a move to Tottenham is keen to return to the Premier League should he depart the Santiago Bernabeu over the summer
The French international has been linked with a move back to England with Manchester United, Liverpool and Tottenham reported to be interested in the former Portsmouth man and he has refused to rule out a move.
“If I have to leave Madrid then it is only for the Premier League," he told skysports.com.
“I loved my time there, specially my last year [at Portsmouth] before Madrid, as I won the FA Cup.”
The 26-year-old joined Real Madrid in 2009 but has struggled to establish himself in their starting line-up.
However he admits leaving would be a step down as he feels his already at the biggest club on the planet.
"But I am at Real Madrid, the greatest club in the world," he added.