Estoril is a town in the Municipality of Cascais, Portugal, on the Portuguese Riviera. Estoril is famed as a major international, luxury tourist entertainment destination on the Portuguese Riviera. It is also known for its luxury hotels, beaches, and the Casino Estoril. Famed for having been home to numerous royal families and famous personalities, Estoril is also known for the numerous notable events it hosts, such as the Estoril Open and the Lisbon & Estoril Film Festival.