The Circuito do Estoril or Autódromo do Estoril (Estoril Circuit), officially known as Autódromo Fernanda Pires da Silva, is a motorsport race track on the Portuguese Riviera, outside of Lisbon, owned by state-run holding management company Parpública.
Its length is 4.182 km (2.599 mi). It was the home of the Formula One Portuguese Grand Prix from 1984 to 1996 and the home of Ayrton Senna’s first victory.
The circuit has an FIA Grade 1 license.
Address: Av. Alfredo César Torres Apartado 49
2646 - 901 Alcabideche
Site : www.circuito-estoril.pt
CGPS: 38° 45' 03" N 9° 23' 39" O38° 45' 03" N 9° 23' 39" O