A day after draws for the UEFA Champions League group stages were conducted, those in the Europa League now know their fate.
The event took place in Nyon, Switzerland on Friday.
Arsenal is in Group B, along with Rapid Vienna, Molde, and Dondalk.
Their North London rivals Tottenham Hotspur are in Group J, where they will face LASK, Ludogorets, and Royal Antwerp.
Sevilla lifted the coveted trophy back in August after beating Inter Milan 3-2 in the final at the RheinEnergieStadion in Cologne, Germany.
Group A: Roma, Young Boy, Cluj, CSKA Sofia
Group B: Arsenal, Rapid Vienna, Molde, Dondalk
Group C: Bayer Leverkusen, Slavia Prague, APOE Beer Sheva, Nice
Group D: Benfica, Standard Liege, Rangers, Lech Poznan
Group E: PSV Eindhoven, PAOK, Granada, Omonoia
Group F: Napoli, Real Sociedad, AZ Alkmaar, Rijeka
Group G: Braga, Leicester City, AEK Athens, Zorya Luhansk
Group H: Celtic, Spartak Prague, Lille, AC Milan
Group I: Villarreal, Qarabag, Maccabi Tel-Aviv, Sivasspor
Group J: Tottenham Hotspur, Ludogorets, LASK, Royal Antwerp
Group K: CSKA Moscow, Dinamo Kiev, Wolfsburg, Feyenoord
Group L: Gent, Red Star Belgrade, Hoffenheim, Liberec