193 clubs from 53 nations will participate in the competition, making it a right endurance test for the winners.
Newcastle will not enter the competition until the play-off round – which precedes the Group Stage – and won’t learn who they will face until the play-off round draw is made on August 10 (at UEFA headquarters in Nyon, Switzerland).
There will be 62 teams in the play-off round, with only the 19 clubs listed below already assured of their place at that stage of the competition.
Alongside those 19 teams, there will be 29 winners from Europa League third qualifying round ties, plus 14 losers of Champions League third qualifying round ties.
Play-off first leg ties will be played on August 23 (the FA Premier League season begins on Saturday, August 18).
Second leg ties to be played August 30.
Here is a rundown of the 19 teams who will enter the competition in the play-off round alongside United:
Belgium – Lokeren Denmark – FC Midtjyllan England – Newcastle United France – Bordeaux Germany – Stuttgart Greece – AEK Athens Israel – Hapoel Tel Aviv Italy – Lazio Holland - PSV Eindhoven Holland – AZ Alkmaar Portugal – Sporting Romania – Dinamo Bucharest Russia – CSKA Moscow Scotland – Heart of Midlothian Switzerland – Luzern Turkey – Trabzonspor Ukraine – Metalist Kharkov Ukraine – Dnipro Dnipropetrovsk Spain – LevanteThe teams below enter the Europa League at the first qualification round stage, and must win three games to reach the play-off stage at which Newcastle enter the competition.
Andorra - FC Santa Coloma Faroe Islands - EB Streymur (Faroe Islands Cup winners 2011) Liechtenstein - USV Eschen/Mauren Luxembourg - Differdange 03 Malta - Birkirkara San Marino - La Fiorita Azerbaijan - FK Baku
Source: FOOTYMAD