Greater Manchester Mental Health Trust was caring for four coronavirus patients in hospital as of Tuesday, figures show.
NHS England data shows the number of people being treated in hospital for Covid-19 by 8am on May 24 was up from three on the same day the previous week.
There were nine beds occupied by Covid-19 patients four weeks ago in Greater Manchester Mental Health NHS Foundation Trust.
Across England there were 4,639 people in hospital with Covid as of May 24, with 142 of them in mechanical ventilation beds.
The number of Covid-19 patients hospitalised nationally has decreased by 59% in the last four weeks, while the number on mechanical ventilators has decreased by 49%.
The figures also show that two new Covid patients were admitted to hospital in Greater Manchester Mental Health NHS Foundation Trust in the week to May 22.