Estoril is a town in the civil parish of Cascais e Estoril of the Portuguese Municipality of Cascais, on the Portuguese Riviera. It is a popular tourist destination known for its hotels, beaches, and the Casino Estoril, and has historically been home to numerous royal families and celebrities. The town has also hosted high-profile events, including the Estoril Open and the Lisbon & Estoril Film Festival.