UEFA have confirmed the seedings for the inaugural Nations League draw on 24 January, with Wales being placed in Pot 1 for League B.
The teams will be split into four groups of three. However, due to a decision of the UEFA Executive Committee, Russia and Ukraine cannot be draw in the same group.
The four group winners are promoted to League A, with the four sides that finish bottom relegated to League C for the next competition to be played in 2020.
The top four ranked teams that do not qualify for UEFA EURO 2020 will enter a play-off in March 2020, with one finals place on offer.