Leicester City will face Napoli, Poland's Legia Warsaw and Spartak Moscow in the Europa League this season after being drawn in Group C on Friday.
City's Premier League rival West Ham United, which is making its group-stage debut in the competition, was handed trips to Croatia, Belgium and Austria after being drawn against Dinamo Zagreb, Genk and Rapid Vienna in Group H.
PSV Eindhoven, runner-up in the Dutch top flight last season, was placed in a tough Group B, which also includes AS Monaco, Spain's Real Sociedad and Austrian side Sturm Graz.