Custodian of the Two Holy Mosques King Salman bin Abdulaziz sent written messages on Sunday to the leaders of the Gulf Cooperation Council member states.
The written messages tackled the close bilateral relations between Saudi Arabia and Gulf countries and ways to bolster them.
The messages were delivered by Saudi Foreign Minister Prince Faisal bin Farhan.
King Salman addressed the letters to Emir of Qatar Sheikh Tamim bin Hamad Al Thani, Emir of Kuwait Sheikh Nawaf al-Ahmad al-Jaber Al Sabah, King of Bahrain Hamad bin Isa Al Khalifa and Sultan of Oman Haitham bin Tariq Al Said.
Prince Faisal met in Doha with Sheikh Tamim, conveying to him the greetings of King Salman.
Sheikh Tamim, for his part, conveyed his greetings to King Salman, wishing him good health and the Saudi people constant development.
Prince Faisal delivered King Salman's message to Kuwait's Crown Prince Sheikh Mishal al-Ahmad al-Jaber Al Sabah during a meeting in Kuwait.
Prince Faisal handed King Salman's message to King Hamad during a meeting with his Bahraini counterpart Dr. Abdullatif al-Zayani in Manama.
The Saudi FM delivered King Salman's message to the Sultan of Oman during a meeting with his Omani counterpart Sayyid Badr Albusaidi in Muscat.