This was disclosed in a statement made available to Okay Nigeria by Senior Special Assistant to the President, Garba Shehu.
He said that the president accepted the invitation of King Salman Bin Abdulaziz, the ruler of Saudi Arabia and Custodian of the Two Holy Mosques to perform the Umrah (lesser pilgrimage) in the Kingdom.
Buhari will be accompanied by close personal aides, will embark on the journey on Thursday, 16th May.
He is expected back in the country on Tuesday, 21st May.
Umrah is an optional but recommended pilgrimage to Makkah that can be made at any time of the year.