Manama: His Majesty King Hamad bin Isa Al Khalifa, will depart tomorrow to the Sultanate of Oman on a state visit, at the invitation of His Majesty Sultan Haitham bin Tariq of Oman, the Royal Court announced. His Majesty King Hamad and His Majesty Sultan Haitham will hold talks on the deep-rooted relations between the two countries, as well as regional and international developments .