The Italian Grand Prix astatine Monza volition stay connected the Formula 1 docket until astatine slightest 2031.
Monza, the oldest way connected the calendar, has signed a six-year hold to its existing deal.
The determination comes aft modernisation works were completed astatine the track, the oldest connected the calendar, successful clip for this year's Italian GP.
F1 president and main enforcement serviceman Stefano Domenicali said: "Monza is astatine the precise bosom of Formula 1 past and the ambiance each twelvemonth is unsocial arsenic the tifosi stitchery successful immense numbers to cheer connected Ferrari and the drivers.
"The caller upgrades to the circuit's infrastructure and the planned concern amusement a beardown committedness to the semipermanent aboriginal of Formula 1 successful Italy."
F1 had demanded upgrades to Monza to rise the facilities to a much modern standard. They were funded by the governments of Italy and the Lombardy region.
Angelo Sticchi Damiani, the president of the Automobile Club d'Italia, said: "Monza is the oldest racetrack successful the satellite to big a contention of the World Championship, and it is besides the longest-running lawsuit connected the World Championship calendar.
"We are each alert that past is nary longer enough.
"Following the resurfacing of the way and underpasses to amended the information connected way and for the fans, we are present faced with a caller situation successful 2025: improving the prime and quantity of hospitality offerings. With this extremity successful mind, we are already moving to support up of the standards required by modern Formula 1."
Monza archetypal held the Italian Grand Prix successful 1922 and it has staged the contention each twelvemonth since the F1 satellite title started successful 1950, different than successful 1980, erstwhile the way was closed for renovations.