President Asif Ali Zardari of Pakistan will arrive here tomorrow on a visit to the Kingdom of Saudi Arabia to meet the Custodian of the Two Holy Mosques King Abdullah Ibn Abdulaziz Al Saud. During the visit, bilateral relations and enhancement of aspects of cooperation in all fields as well as the latest developments at regional and international arenas will be discussed. The Pakistani President will perform Umrah rituals and visit the Holy Mosque of the Prophet in Madinah.