A cathedral city and unitary authority in Cambridgeshire, England.
"Residents of Peterborough enjoy a vibrant cultural life as a cathedral city and unitary authority in Cambridgeshire, England."
The name Peterborough combines the saint's name with a suffix meaning town or borough, directly honoring Saint Peter the Apostle. It is essentially a doublet of Petersburg, sharing the same root elements but developed separately in English and Russian contexts.