The Premier League champions failed to agree a fee with Porto for the defender in January and the France international says that London would be the more appealing destination
The France international has impressed hugely in Portugal, leading to links with a host of top clubs and he even came close to moving to the Etihad Stadium in January - though, as revealed by Goal, the clubs could not agree a fee.
|9/4||Chelsea are 9/4 with Bet365 to win the Premier League in 2014-15|
When asked which club he would rather join, he told BeIn Sports: "City or Chelsea? Chelsea because it is London.
"It is true that I love the Premier League because it is a spectacular championship," Mangala added.
"In January, there were discussions with City but it fell through because the two clubs could not reach an agreement.
"My goal now is the World Cup. We will see what happens after that. I told [agent] Jorge Mendes that I don't want to know anything about the transfer window until then.
"Every player wants to play in the biggest clubs. I am an ambitious player and the team that can help me win titles is the one that interests me."