President Mahmoud Abbas, Chairman of the Executive Committee of the Palestine Liberation Organization and Chairman of the Palestinian National Authority, will arrive here tomorrow on a visit to the Kingdom of Saudi Arabia during which he will hold talks with the Custodian of the Two Holy Mosques, King Abdullah Ibn Abdulaziz Al Saud. The talks will focus on the bilateral relations between the two countries and ways of strengthening cooperation in various fields in addition to regional and international issues of common concern.