Bolton Trust was caring for 57 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 June 14 was up from 37 on the same day the previous week.
The number of beds at Bolton NHS Foundation Trust occupied by people who tested positive for Covid-19 remained unchanged compared to four weeks ago.
Across England there were 4,722 people in hospital with Covid as of June 14, with 130 of them in mechanical ventilation beds.
The number of Covid-19 patients hospitalised nationally has decreased by 18% in the last four weeks, while the number on mechanical ventilators has decreased by 25%.
The figures also show that 49 new Covid patients were admitted to hospital in Bolton NHS Foundation Trust in the week to June 12. This was up from 13 in the previous seven days.