The teenager has been examined by a doctor and was interviewed on Saturday by police. No one has yet been arrested on suspicion of the offence.
According to the teenager's report, some 5-6 men were present at the time of the alleged rape.
The 17-year-old was on his way home from a party in the Söder area of Växjö and was heading towards the town centre when he the men attacked him.
Police on Saturday conducted a forensic inspection of the suspected crime scene.
A wide area around the Tegnér churchyard in central Växjö and the railway tracks remained cordoned off on Sunday in case further investigation and forensic inspection were to be required.
Aside from the rape, the teenager is reported to not have suffered any further violence.
Several people have been interviewed by police as potential witnesses, but reports indicate that they hadn't seen anything.
Växjö police have appealed for any further witnesses to the alleged crime to come forward.