Carvalho, 31, made only 13 appearances for the Blues last term having been plagued with injuries.
Linked with a move to Inter Milan, the Portugal international admits he would relish the opportunity to play for Jose Mourinho again.
However, with no deal on the table, he admits he is not getting carried away.
Certain he could adjust to the Italian or Spanish style, Carvalho says that playing in the Premier League has made him a much stronger player.
ChangeStill eyeing a move away from Stamford Bridge, he told the Portuguese press: "A change could be good for me, but any interested club has to reach an agreement with Chelsea and then we will talk.
"I think that, given my attributes, the Premier League would be harder for me to adapt.
"It is tougher football, so I think I would have no problems in Italy or Spain.