Officers were called to reports a young female was raped on Kingsway in Newbold at around 6pm on Saturday.
A 12-year-old boy, a 13-year-old boy and two 14-year-old boys were subsequently arrested on suspicion of rape and remain in police custody.
A crime scene remains in place as Greater Manchester Police continue their investigation.
Pictures show a car park has been cordoned off by officers.
Local residents have told of their shock at the incident happening in their neighbourhood.
In a statement, the force said: “At around 6pm on Saturday 10 February 2024, officers were called to reports of a rape in Newbold, Rochdale.
“Four boys aged 12, 13, 14, 14 have been arrested on suspicion of rape and remain in police custody. The victim is currently being supported by specialist officers.
“A scene remains in place as officers continue their investigation.”
Police confirmed to The Sun that the alleged victim is a “female child”.
For 24/7, free, specialist and confidential rape and sexual abuse support delivered by Rape Crisis England & Wales, call 0808 500 2222 or visit https://247sexualabusesupport.org.uk to chat online or find out more.