The President's Senior Special Assistant on Media and Publicity, Garba Shehu, disclosed this in a statement issued on Sunday, December 16.
Shehu said Buhari, alongside the Presidents of Mali, Burkina Faso, Chad, Mauritania and Niger, will participate in the event.
The event holds every December 18 to commemorate the founding of the Republic of Niger and creation of the Presidency.
"After the ceremony, the Nigerian leader will hold bilateral meetings with some of his counterparts before returning to Abuja same day", the statement said.
It also said that Buhari will be accompanied on the trip by Governors Aminu Masari, Ibrahim Gaidam and Kashim Shettima of Katsina, Yobe and Borno States respectively.