According to the group stage draw in Monaco on Friday, the two Romanian teams qualified to the Europa League group stage are to face powerful teams.
Astra Giurgiu will play in Group E against Viktoria Plzen, AS Roma and Austria Vienna.
Steaua Bucharest will face Villarreal, Zurich and Osmanlispor in Grupa L.
The first matches are scheduled for September 15. Steaua plays away at Villareal, while Astra also plays away at Austria Vienna.
The other groups:
Group A: Manchester United, Fenerbahce, Feynoord, Zorya Luhansk;
Group B: Olympiakos, Apoel, Young Boys, Astana;
Group C: Anderlecht, Saint Etienne, Mainz, Qabala;
Group D: Zenit, Alkmaar, Maccabi Tel Aviv, Dundalk;
Group F: Athletic Bilbao, Genk, Rapid Vienna, Sassuolo;
Group G: Ajax, Standard Liege, Celta Vigo, Panathinaikos;
Group H: Shakhtar Donetsk, Braga, Gent, Konyaspor;
Group I: Schalke, Salzburg, Krasnodar, Nice;
Group J: Fiorentina, PAOK, Slovan Liberec, Qarabag;
Group K: Inter, Sparta Prague, Southampton, Hapoel Ber-Sheeva