The Republic of Ireland have been assigned a challenging group in League A featuring Nations League holders Spain alongside Norway and Switzerland.
Carla Ward's side will contest these matches in an attempt to retain their position within the top tier of competition.
World champions Spain, who secured the Nations League title in both 2024 and 2025, are expected to be the primary focus for the Irish team.
Reports indicate that Republic of Ireland have previously managed to secure narrow victories against France and the Netherlands despite being ranked below them.
Northern Ireland will participate in League B3 during the initial phase of the tournament structure.
The Belfast side is scheduled to encounter Poland, Finland and Belarus throughout the international windows spanning February through June.
Poland dropped down from League A after finishing at the bottom of a group that included France, the Netherlands and the Republic of Ireland.
Analysis suggests Poland will be the favourite to progress in their new group following this demotion.
The two nations are set to meet again in a Women's World Cup play-off scheduled for December.
Fixtures remain unconfirmed by Uefa but the competition is confirmed to take place across multiple months.
Northern Ireland are taking their first step toward Euro 2029 qualifying through these league matches.
BBC Sport NI provides a detailed overview of the three opponents facing Derry in this upcoming campaign.
The Irish Football Association has officially announced the participation of Northern Ireland in phase one of the third edition.
This tournament represents a key component of the broader qualification pathway for major international tournaments.
No specific dates or venues have been finalised by Uefa at this stage.
Readers are advised to monitor official channels for fixture confirmations as the calendar approaches.