CAIRO, March 4- President Abdel Fattah El Sisi is to receive on Sunday Saudi Arabia's Crown Prince, Mohammed bin Salman, to discuss the means of enhancing bilateral relations between the two countries in diverse areas. Both sides are also expected to deal with a host of regional and international files of joint interest. The Saudi Crown Prince's three-day visit to Egypt is his first foreign trip after becoming crown prince in 2017. Pope Tawadros II of Alexandria and Patriarch of St. Mark Diocese is also due to receive Saudi Crown Prince on Monday at the Cathedral of St. Mark. The meeting comes within the Crown Prince's series of meetings with several state figures during his visit to Egypt, Spokesman for the Coptic Orthodox Church Bolis Halim told the official Middle East News Agency (MENA).