This was announced on the Super Eagles official Twitter handle. It however stated that the venue for the camp will be made known in a later date.
Nigeria will will be away to either Benin Republic or Togo in the first leg of the qualifier on August 11.
Togo and Benin Republic played a 1-1 draw in the first leg of the first round qualifiers in Lome on Sunday.
The 2018 CHAN will hold in Kenya in January.