Poland will play Portugal at home on October 12 before taking on Croatia three days later.
Both matches will be played at the National Stadium in Warsaw.
Poland manager Michał Probierz last month released a list of 27 football players called up for the two games.
Michał Probierz. Photo: PAP/Leszek Szymański
The squad named by Probierz to face Portugal and Croatia includes Barcelona striker Robert Lewandowski and other regulars such as Inter Milan midfielder Piotr Zieliński and Southampton defender Jan Bednarek.
Fresh faces include Legia Warsaw winger Michael Ameyaw, Raków Częstochowa midfielder Maximillian Oyedele and Jagiellonia Białystok defender Mateusz Skrzypczak.
After two rounds of fixtures, Poland are third in their Nations League Group A1, with three points.
The Polish team defeated Scotland 3-2 in its first match of the 2024/2025 UEFA Nations League and was beaten 0-1 by Croatia in its second game in Group 1 of the top League A.
The Nations League is the European football governing body UEFA’s newest national-team competition that is now in its fourth edition.
Portugal won the first edition of the Nations League in 2019, while France won the 2020/2021 UEFA Nations League, and Spain triumphed in the 2022/2023 edition.
Here is the full Poland squad for the October matches against Portugal and Croatia:
Goalkeepers:
Marcin Bułka (Nice)
Bartłomiej Drągowski (Panathinaikos)
Bartosz Mrozek (Lech Poznań)
Łukasz Skorupski (Bologna)
Defenders:
Jan Bednarek (Southampton)
Bartosz Bereszyński (Sampdoria)
Paweł Dawidowicz (Verona)
Jakub Kiwior (Arsenal)
Kamil Piątkowski (FC Salzburg)
Tymoteusz Puchacz (Holstein Kiel)
Mateusz Skrzypczak (Jagiellonia Białystok)
Sebastian Walukiewicz (Torino)
Midfielders:
Michael Ameyaw (Raków Częstochowa)
Przemysław Frankowski (Lens)
Jakub Kamiński (VfL Wolfsburg)
Bartosz Kapustka (Legia Warsaw)
Kacper Kozłowski (Gaziantep FK)
Jakub Moder (Brighton & Hove Albion)
Maximillian Oyedele (Legia Warsaw)
Jakub Piotrowski (Ludogorets Razgrad)
Sebastian Szymański (Fenerbahçe)
Kacper Urbański (Bologna)
Nicola Zalewski (Roma)
Piotr Zieliński (Milan)
Forwards:
Robert Lewandowski (Barcelona)
Krzysztof Piątek (Başakşehir)
Karol Świderski (Charlotte FC)
(gs)
Source: IAR, PAP, TVN24, pzpn.pl