Brian Friel, who died recently, was a greatest playwright belongs to which country?

Ireland
Brian Friel was an Irish dramatist, author and director of the Field Day Theatre Company. He was considered to be one of the greatest living English-language dramatists, hailed by the English-speaking world as an “Irish Chekhov” and “the universally accented voice of Ireland”.Friel was best known for plays such as Philadelphia, Here I Come! And Dancing at Lughnasa but wrote more than thirty plays in a six-decade spanning career that saw him elected Saoi of Aosdána. His plays were a regular feature on Broadway throughout this time.