The Spain international proved to be a consistent presence in the Blues' title-winning backline last term, playing every minute in the Premier League.
Azpilicueta has started the 2017-18 season in a similar fashion, even getting on the scoresheet as Chelsea brushed aside Azerbaijani champions Qarabag 6-0 in the Champions League on Tuesday night.
Conte was particularly impressed with the versatile defender's performance, telling reporters: "Last season Azpi was one of the most important players for us. In this position as a central defender he is one of the best in the world. He is very good with and without the ball.
"He's a fantastic guy, he's always positive, and during the training sessions he works in a fantastic way. For a coach to have him is a dream."
Azpilicueta has also claimed a couple of assists from the back this term, coming in the league wins over Everton and Leicester City.