Wales are in Group 4 with Republic of Ireland and Denmark.
MD1: Thursday 6 September 2018 7:45pm: Wales v Republic of Ireland. MD2: Sunday 9 September 2018 5pm: Denmark v Wales. MD3: Saturday 13 October 2018 7:45pm: Republic of Ireland v Denmark. MD4: Tuesday 16 October 2018 7:45pm: Republic of Ireland v Wales. MD5: Friday 16 November 2018 7:45pm: Wales v Denmark. MD6: Monday 19 November 2018 7:45pm: Denmark v Republic of Ireland.
Nations league calendar. Matchday 1: 6–8 September 2018 Matchday 2: 9–11 September 2018 Matchday 3: 11–13 October 2018 Matchday 4: 14–16 October 2018 Matchday 5: 15–17 November 2018 Matchday 6: 18–20 November 2018.
Other League B groups. Group 1 Slovakia, Ukraine, Czech Republic.
Group 2 Russia , Sweden , Turkey.
Group 3 Austria , Bosnia and Herzegovina, Northern Ireland.
The draw will take place on Wednesday 24 January 2018, in Lausanne, Switzerland at 12:00 CET (11:00 GMT).
Wales are in Pot 1 for League B.
Potential Group opponents are:
Pot 2: Sweden, Ukraine, Republic of Ireland and Bosnia and Herzegovina Pot 3: Northern Ireland, Denmark, Czech Republic and Turkey.
League B will have four groups of three teams.
FAW delegates at the draw are:
Ryan Giggs (Team Manager), Jonathan Ford (Chief Executive), David Griffiths (President), Ian Gwyn Hughes (Head of Public Affairs) and Mark Evans (Head of International affairs).
Nations league calendar Matchday 1: 6–8 September 2018 Matchday 2: 9–11 September 2018 Matchday 3: 11–13 October 2018 Matchday 4: 14–16 October 2018 Matchday 5: 15–17 November 2018 Matchday 6: 18–20 November 2018
Teams in three-sided groups will play on four of the six matchdays
The group games are set to be played in September / October 2018, with 2 games each month. With 2 friendly matches in November. (FSF/FAW).
Above news released in late 2017 from the FSF / FAW meeting.
update
FAW travel out tomorrow for the draw on Wednesday, Fixtures and Dates will be known by 5pm Wednesday 24th January 2018. The 4 group matches could be now be played on ANY of the match days. (FAW).