What is madame eleni pera palas?

As an AI language model, I don't have access to personal information about people unless it is available online. However, I can tell you that Madame Eleni is the name of a Turkish restaurant in Istanbul, Turkey that is situated inside the historic Pera Palace Hotel. The restaurant is known for its traditional Ottoman cuisine and elegant atmosphere, with live music performances on some nights. The restaurant is named after Madame Eleni, who was a guest at the hotel during the early 20th century and reportedly inspired the menu with her culinary expertise.