Here are the UEFA Europa League Round of 32 Draw and Round of 16 Draw held on Friday December 16, 2011 in Nyon.  The two Serie A teams participating are SS Lazio and Udinese Calcio. Lazio will play against Spanish team Club Atletico de Madrid while Udinese will play against Greek team PAOK FC.

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Thursday, 16 February 2012. Stadio Friuli, Udine, Italy

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Thursday, 16 February 2012. Stadio Olimpico (Roma), Rome, Italy

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Thursday, 23 February 2012. Estadio Vicente Calderon, Madrid, Spain

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Thursday, 23 February 2012. Toumba Stadium, Thessaloniki, Greece

  UEFA Europa League Round of 32 draw

1 FC Porto* (POR) v Manchester City FC* (ENG)¹
2 AFC Ajax* (NED) v Manchester United FC* (ENG)
3 FC Lokomotiv Moskva (RUS) v Athletic Club (ESP)
4 FC Salzburg (AUT) v FC Metalist Kharkiv (UKR)
5 Stoke City FC (ENG) v Valencia CF* (ESP)
6 FC Rubin Kazan (RUS) v Olympiacos FC* (GRE)
7 AZ Alkmaar (NED) v RSC Anderlecht (BEL)
8 S.S. Lazio (ITA) v Club Atlético de Madrid (ESP)
9 FC Steaua Bucureşti (ROU) v FC Twente (NED)
10 FC Viktoria Plzeň* (CZE) v FC Schalke 04 (GER)
11 Wisła Kraków (POL) v R. Standard de Liège (BEL)
12 SC Braga (POR) v Beşiktaş JK (TUR)²
13 Udinese Calcio (ITA) v PAOK FC (GRE)
14 Trabzonspor AŞ* (TUR) v PSV Eindhoven (NED)
15 Hannover 96 (GER) v Club Brugge KV (BEL)
16 Legia Warszawa (POL) v Sporting Clube de Portugal (POR)

Unless otherwise stated, first legs will be played on 16 February, with the returns taking place the following Thursday, 23 February.
¹ second leg to be played on Wednesday 22 February
² first leg to be played on Tuesday 14 February
*Transferred from the UEFA Champions League

UEFA Europa League Round of 16 draw

Salzburg/Metalist v Rubin/Olympiacos
Legia/Sporting v Porto/Manchester City
Steaua/Twente v Plzeň/Schalke
Wisła/Standard v Hannover/Club Brugge
Stoke/Valencia v Trabzonspor/PSV
AZ/Anderlecht v Udinese/PAOK
Lazio/Atlético v Braga/Beşiktaş
Ajax/Manchester United v Lokomotiv/Athletic

The first legs will be played on 8 March, with the returns taking place the following Thursday, 15 March.