Formula 1 supremo Bernie Ecclestone sent a letter to Rome mayor Gianni Alemanno telling him that the capital of Italy will not host a Grand Prix.
The city was hoping to join the calendar alongside Monza, the historic and fast circuit that has hosted F1 since the start of the championship in 1950.
The La Repubblica newspaper said Ecclestone has written to Alemanno explaining that one race per country is enough.
Ecclestone wrote that F1 instead needs to concentrate on expanding internationally.
"In the last letter sent by Bernie Ecclestone, it is obvious that on his part Rome hasn't been rejected whatsoever, but there is the decision to grant Italy just one Grand Prix: either at Monza or Rome, or in both cities but in alternated seasons," Alemanno was quoted as saying by Repubblica.
Ferrari recently admitted its opposition to the plans for a street race in the EUR district in 2013, stating that Monza should be Italy's only F1 event.
The content of the letter could mean that Spain (which stage two F1 races during the same season) may have to choose between the circuit of Barcelona and the street course of Valencia.
The city was hoping to join the calendar alongside Monza, the historic and fast circuit that has hosted F1 since the start of the championship in 1950.
The La Repubblica newspaper said Ecclestone has written to Alemanno explaining that one race per country is enough.
Ecclestone wrote that F1 instead needs to concentrate on expanding internationally.
"In the last letter sent by Bernie Ecclestone, it is obvious that on his part Rome hasn't been rejected whatsoever, but there is the decision to grant Italy just one Grand Prix: either at Monza or Rome, or in both cities but in alternated seasons," Alemanno was quoted as saying by Repubblica.
Ferrari recently admitted its opposition to the plans for a street race in the EUR district in 2013, stating that Monza should be Italy's only F1 event.
The content of the letter could mean that Spain (which stage two F1 races during the same season) may have to choose between the circuit of Barcelona and the street course of Valencia.