"The Aut�dromo do Estoril (officially: Aut�dromo Fernanda Pires da Silva) is a 4.36 km (2.709 miles) race course in Portugal, and the home of the Formula One Portuguese Grand Prix from 1984 to 1996. The Estoril circuit was built in 1972 on a rocky plateau not far from Estoril, Portugal, the beach resort lending its name to the circuit. "