A special Melanesian Spearhead Group meeting will be held this Wednesday in Nadi.
This was confirmed to FBC News by a Ministry of Foregn Affairs official, Sila Balawa.
Mr Balawa says Vanuatu's Prime Minister Sato Kilman and Papua New Guinea's Prime Minister Peter O'Neill have confirmed their attendance.
Solomon Islands will be represented by their Foreign Minister as their Prime Minister has commitments with a UN team at home.
The MSG meet will be held a day before the 2nd Engaging with the Pacific Meeting in Nadi on Thursday and Friday.
Issues to be discussed include the MSG budget and work programmes.
Fiji and Solomon Islands will also sign a treaty on traditional knowledge