A new contract worth over £300,000-a-week remains on the table, but there is a feeling around the 27-year-old that, following such a good World Cup, that it is time for a new challenge.
Conte produced a record 30 Premier League wins during his maiden season, which has since been thwarted by Manchester City's 32 victories last season, while he now boasts Chelsea's longest consecutive league wins with 13.
'We wish Antonio every success in his future career'.
Sarri, 59, led Napoli to two second-place and one third-place finish in three seasons in charge.
Like a number of his predecessors, Conte has been dismissed the season after winning a major trophy, pointing to silverware being no guarantee of job security at Stamford Bridge.
It is now official, Chelsea have chose to "part ways" with Antonio Conte, who was a highly popular figure among the Chelsea fans, but simply could not get along with members of the board.
After leaving Chelsea, Terry signed on to play with Aston Villa in the Championship last season. Jorginho will also join.
Chelsea ultimately finished 30 points behind Premier League champions Manchester City and exited the Champions League at the last-16 stage after a 4-1 aggregate defeat by Barcelona.
Incredibly the club have released a statement thanking Conte for his services to the club, but the message only consisted of 52 words.