Tampere University Hospital (TAYS) has reported 112 new lab-confirmed coronavirus infections on Friday, which is the highest daily figure in the Pirkanmaa region since the beginning of the pandemic.
The previous record was set a day previously, on Thursday, when 93 infections were reported.
Health authorities in the region said there has been a sharp increase in the number of infections over recent weeks.
Friday's tally means that a total of 437 infections have been diagnosed in Pirkanmaa over the last seven days, compared to 241 in the previous seven-day period and 152 infections in the week prior to last.
During the entire pandemic, a total of 6,270 coronavirus infections have now been diagnosed in the region.