Ely Cathedral is the principal church of the Diocese of Ely

Diocese of Ely

The Diocese of Ely is a Church of England diocese in the Province of Canterbury. It is headed by the Bishop of Ely, who sits at Ely Cathedral in Ely. There is one suffragan bishop, the Bishop of Huntingdon. The diocese now covers Cambridgeshire and western Norfolk...

, in Cambridgeshire

Cambridgeshire

Cambridgeshire is a county in England, bordering Lincolnshire to the north, Norfolk to the northeast, Suffolk to the east, Essex and Hertfordshire to the south, and Bedfordshire and Northamptonshire to the west...

, England

England

England is a country that is part of the United Kingdom. It shares land borders with Scotland to the north and Wales to the west; the Irish Sea is to the north west, the Celtic Sea to the south west, with the North Sea to the east and the English Channel to the south separating it from continental...

, and is the seat of the Bishop of Ely

Bishop of Ely

The Bishop of Ely is the Ordinary of the Church of England Diocese of Ely in the Province of Canterbury. The diocese roughly covers the county of Cambridgeshire , together with a section of north-west Norfolk and has its see in the City of Ely, Cambridgeshire, where the seat is located at the...

 and a suffragan bishop, the Bishop of Huntingdon

Huntingdon

Huntingdon is a market town in Cambridgeshire, England. The town was chartered by King John in 1205. It is the traditional county town of Huntingdonshire, and is currently the seat of the Huntingdonshire district council. It is known as the birthplace in 1599 of Oliver Cromwell.-History:Huntingdon...

. It is known locally as "the ship of the Fens

The Fens

The Fens, also known as the , are a naturally marshy region in eastern England. Most of the fens were drained several centuries ago, resulting in a flat, damp, low-lying agricultural region....

", because of its prominent shape that towers above the surrounding flat and watery landscape.
Most of what is known about the early history of Ely comes from Bede

Bede

Bede , also referred to as Saint Bede or the Venerable Bede , was a monk at the Northumbrian monastery of Saint Peter at Monkwearmouth, today part of Sunderland, England, and of its companion monastery, Saint Paul's, in modern Jarrow , both in the Kingdom of Northumbria...

's Historia ecclesiastica gentis Anglorum

Historia ecclesiastica gentis Anglorum

The Historia ecclesiastica gentis Anglorum is a work in Latin by Bede on the history of the Christian Churches in England, and of England generally; its main focus is on the conflict between Roman and Celtic Christianity.It is considered to be one of the most important original references on...

and above all from the Liber Eliensis

Liber Eliensis

The Liber Eliensis is a 12th-century English chronicle and history, written in Latin. Composed in three books, it was written at Ely Abbey on the island of Ely in the fenlands of eastern Cambridgeshire. Ely Abbey became the cathedral of a newly formed bishopric in 1109...

, an anonymous chronicle written at Ely some time in the 12th century and covering the history of the Abbey and Cathedral from 673 until the mid-12th century.
The first Christian building on the site was founded by St. Æthelthryth

Æthelthryth

Æthelthryth is the proper name for the popular Anglo-Saxon saint often known, particularly in a religious context, as Etheldreda or by the pet form of Audrey...

 (romanised as "Etheldreda"), daughter of the Anglo-Saxon

Anglo-Saxons

Anglo-Saxon is a term used by historians to designate the Germanic tribes who invaded and settled the south and east of Great Britain beginning in the early 5th century AD, and the period from their creation of the English nation to the Norman conquest. The Anglo-Saxon Era denotes the period of...

 King Anna of East Anglia

Anna of East Anglia

Anna was King of East Anglia from the early 640s until his death. Anna was a member of the Wuffingas family, the ruling dynasty of the East Angles. He was one of the three sons of Eni who ruled East Anglia, succeeding some time after Ecgric was killed in battle by Penda of Mercia...

, who was born in 630 at Exning

Exning

Exning is a village in Suffolk, England.It lies just off the A14 trunk road, roughly east-northeast of Cambridge, and south-south-east of Ely...

 near Newmarket.