Under-20 Four Nations Tournament

Under-20 Four Nations Tournament (Italian: Torneo Quattro Nazioni Under-20; German: Internationale U-20-Spielrunde) was an annual under-20 football tournament, contested by the four Alpine nations: Austria, Germany, Italy and Switzerland, from the 2003–04 edition until the 2009–10 edition. In 2011, Poland replaced Austria.

Source: Wikipedia — Under-20 Four Nations Tournament (CC BY-SA 4.0)