Six countries will compete in the rebranded Pacific Challenge in Suva, as local players look to stake a claim for selection at Rugby World Cup 2015.
Formerly known as the Pacific Rugby Cup, Fiji A will play host to Pacific neighbours Tonga A and Samoa A, as well as Japan Juniors, Canada A and the Argentina Pampas XV.
The round-robin competition previously featured Pacific A teams playing against Super Rugby development sides from Australia and New Zealand.
It will run for two weeks in March.
World Rugby Head of Competitions and Performance Mark Egan says the tournament is a key developmental event and has added significance for teams in this Rugby World Cup year.