The recently turned 27-year-old was heavily linked towards a move to Real Madrid with the winger's father confirming the same.
Hazard said: "Yes. I think Thibaut first".
Although, Hazard could be waiting some time for Courtois to re-sign because Courtois is having problems away from the club and a worry for Blues' fans is that those problems could prevent a new contract extension and could lead to a move away from England.
Chelsea are now third on the points table behind the two Manchester Clubs. Appearing at the National Basketball Association with his worldwide teammates, Manchester City duo Kevin de Bruyne and Benjamin Mendy, as well as Chelsea colleagues Marcos Alonso, Andreas Christensen and Courtois, Hazard appeared in relaxed mood even though he is now on a run of scoring just one goal in his last nine matches.More news: JFK Airport water pipe break weather-related
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Hazard has made 18 Premier League games, scoring six goals so far this season.
On the other hand, Thibaut Courtois has only a year left on his Chelsea contract and is expected to renew it soon.
"We know the admiration that I have for Real, but I'm at Chelsea".
The Belgian playmaker is widely regarded as one of the finest attacking players in the Premier League and has become Chelsea's main man in recent years. I love my children to death.
Real Madrid are planning to make a sustained effort to sign the Belgian playmaker after making him their top transfer target this summer.