King's Mead Priory was a Benedictine Priory situated west of Derby, in the area currently known as Nun's Street, or Nun's Green. It was the only Benedictine Nunnery in Derbyshire. The Priory was dedicated to "St Mary de Pratis": St Mary of the Meadows.It became a popular place for Derbyshire's noble families to send their daughters to be educated.