Old favourites the Österreichring (today the Red Bull Ring) and the Autódromo Hermanos Rodríguez, returned to the calendar in 2014 and 2015 respectively. The Circuit of the Americas in Austin, the Sochi Autodrom in Sochi and the Baku City Circuit in Azerbaijan have all been introduced as brand new tracks since 2012. In 2020, Algarve International Circuit, was to return to the F1 calendar as the Portuguese Grand Prix, having last hosted a race in 1996. In 2021, Circuit Zandvoort was to return to the F1 calendar as the Dutch Grand Prix, having last hosted a race in 1985.