Shettima, who is heading a federal delegation to repatriate the former President’s body, also held a private meeting with Buhari’s children.
Photos of the visit, now circulating online, show the Vice President with the family in a solemn atmosphere.
Buhari had previously ruled Nigeria both as a military leader and as a civilian President.
While in office, Buhari took several medical trips abroad, totaling at least 225 days.