Formula 1 yet agreed to hold the 8 stages in Europe that needs to start the season with the 3rd of July. To complete the championship in Bahrain and Abu Dhabi only have 10 stages.
However, f-1 expects to complete the autumn part 5-6 races, so talks with the tracks, which had not been in the championship calendar.
The circuit in the Portuguese Algarve confirmed that he wants to take the Grand Prix and talks with Formula 1. The decision has to be made in July.
On the track in the Algarve had previously been only tests and the Grand Prix of Portugal was not in the championship since 1996.
In addition, negotiations with f-1 are two circuit in Italy – Imola and Mugello. Plus back to the calendar wants German Hoffenheim.