The gym operating in the city of Yazd was sealed by local authorities and a case was opened against its manager, head of the provincial Public Places Surveillance Police said.
"Judicial officials, police officers, and a representative from the local sports and youth department visited the venue and found young men and women working out together," Colonel Ali-Akbar Tabaei said.
The Public Places Surveillance Police, a branch of Iran’s Law Enforcement, monitors businesses and public spaces to enforce Islamic social norms, including gender segregation and dress codes, and can refer violations to judicial authorities.
In a separate incident on Sunday, authorities arrested the organizers of a mixed-gender “coffee party” on Kish Island, a resort island in southern Iran, after videos of the celebration surfaced on social media.
The local prosecutor described the event as “a norm-breaking and illegal act.”
According to US-based rights group HRANA, at least 536 commercial venues were shut down across Iran in 2024, mostly for non-commercial reasons such as violating hijab rules, operating during Ramadan, or opening on religious mourning days.