House of Allegiance tells the story of a glorious history of this blessed country where the people of Al-Ahsa pledged allegiance to King Abdulaziz, may God have mercy on him, in the year 1331 AH. The house of Sheikh Abd al-Latif al-Mulla (the house of allegiance) is located in the center of Al-Kout, in the city of Hofuf, and its area is estimated at about 705 m 2 and was established in 1203 AH. This place witnessed the arrival of King Abdulaziz, may God have mercy on him, in the opening of Al-Ahsa on the date of 5/5/1331 AH, where he lived and pledged allegiance to the people of Al-Ahsa on hearing and obedience to the Book of God and the Sunnah of His Messenger, may God bless him and grant him peace.