Graham Alexander's men will arrive in the country on Saturday, July 15th and will be based in Obertraun for a week, playing two warm-up games.
Confirmed on Saturday, United will end the week with a match against SV Austria Salzburg on Friday, July 21, but will first take on SK Strobl on the preceding Tuesday, kick-off 6pm local time (5pm UK time).
The match will take at the ASKÖ sports facility (Rudolf-Engl-Stadion) in Ebensee.
SK Brandl-Bau Strobl, known as SK Strobl for short, will be playing in the 2. Landesliga Nord in 2017-18, which is the third-highest league in Salzburg and the sixth-highest division in the whole of Austria.
The side were founded in 1951 as Strobler SK.