Question: In what ecclesiastical province is Stephen Conway currently part of?

Context:
Ecclesiastical province
An ecclesiastical province is a general term for one of the basic forms of jurisdiction in Christian Churches with traditional hierarchical structure, including Western Christianity and Eastern Christianity.
 In general, ecclesiastical province is consisted of several dioceses (or eparchies), one of them being the archdiocese (or archeparchy), headed by metropolitan bishop or archbishop who has ecclesiastical jurisdiction over all other bishops of the province.
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 (with the exception of the Soke of Peterborough), together with a section of north-west Norfolk and has its episcopal see in the City of Ely, Cambridgeshire, where the seat is located at the Cathedral Church of the Holy Trinity.
 The current bishop is Stephen Conway, who signs "+Stephen Elien:" (abbreviation of the Latin adjective "Eliensis", meaning "of Ely").
 The diocesan bishops now reside in Bishop's House, Ely, the former cathedral deanery.
 Conway became Bishop of Ely in 2010, translated from the Diocese of Salisbury where he was Bishop suffragan of Ramsbury.
Diocese of Salisbury
The Diocese of Salisbury is a Church of England diocese in the south of England, within the ecclesiastical Province of Canterbury.
 The diocese covers most of Dorset (excepting the deaneries of Bournemouth and Christchurch, which fall within the Diocese of Winchester), and most of Wiltshire (excepting a part in the north and Swindon).
 The diocese is led by the Bishop of Salisbury (Nick Holtam) and the diocesan synod.
 The bishop's seat is at Salisbury Cathedral.
Roman Catholic Archdiocese of Bamenda
The Roman Catholic Archdiocese of Bamenda is the Metropolitan See of the Ecclesiastical province of Bamenda in Cameroon.
 It was by the Bull Tametsi Christianarum of 13 August 1970, that Pope Paul VI erected the Diocese of Bamenda with territory detached from the Diocese of Buea.
 On 18 March 1982 Pope John Paul II created, by the Bull Eo Magis Ecclesia Catholica, the Archdiocese of Bamenda, the Ecclesiastical Province of Bamenda and erected the Diocese of Kumbo with territory detached from the Diocese of Bamenda.
 Bamenda was by the same bull made into the Metropolitan See of the Ecclesiastical Province with Buea and Kumbo as its Suffragans.
 Mamfe was later created into a diocese with territory detached from Buea.
 So Bamenda has 3 Suffragan Sees - Buea, Kumbo and Mamfe.
 As of Nov 2013 there are 35 Parishes in Bamenda divided into 6 Deaneries - NJINiKOM, MANKON, WIDIKUM, BAMBUI, WUM and NDOP.
Ecclesiastical Province of Freiburg
The Ecclesiastical Province of Freiburg ("Kirchenprovinz Freiburg") or Upper Rhenish Ecclesiastical Province ("Oberrheinische Kirchenprovinz") is an ecclesiastical province of the Roman Catholic Church in the Upper Rhine area of Germany, centring on Freiburg im Breisgau.
 It covers the Roman Catholic Archdiocese of Freiburg, the Roman Catholic Diocese of Mainz and the Roman Catholic Diocese of Rottenburg-Stuttgart, covering large areas of Baden-Württemberg and Hesse and small parts of Rhineland-Palatinate.
 Its metropolitan bishop is the Archbishop of Freiburg - that Archdiocese and the Province were both set up in 1821 in the wake of the 1801 Concordat and the 1815 Congress of Vienna.
Roman Catholic Diocese of Umuahia
The Roman Catholic Diocese of Umuahia (Latin: "Umuahian(us)" ) is a diocese located in the city of Umuahia.
 It was part of the Old Ecclesiastical Province of Onitsha, but presently, it belongs to the Ecclesiastical province of Owerri, in Nigeria, which was erected on March 26, 1994 .
Roman Catholic Ecclesiastical Province of Miami
The Ecclesiastical Province of Miami is a Catholic ecclesiastical province covering the U.S. state of Florida.
 Its metropolitan bishop is the Archbishop of Miami, head of the Archdiocese of Miami.
 The province additionally includes the suffragan dioceses of Orlando, Palm Beach, Pensacola-Tallahassee, St. Augustine, St. Petersburg, and Venice.
Roman Catholic Diocese of Kottapuram
The Roman Catholic Diocese of Kottapuram (Latin: "Kottapuramen(sis)" ) is a diocese located in the city of Kottapuram in the Ecclesiastical province of Verapoly in India.
 On Saturday, December 18, 2010, Pope Benedict XVI named Joseph Karikkassery, Auxiliary Bishop of the Roman Catholic Archdiocese of Verapoly, as Bishop of Kottapuram.
 The diocese had until then been a vacant see (sede vacante), as Bishop Francis Kallarakal had been appointed by Pope Benedict XVI in February 2010 as Metropolitan Archbishop of the Roman Catholic Archdiocese of Verapoly, India (the Diocese of Kottapuram is in its Ecclesiastical Province).
 The previous Archbishop of Verapoly had died.
Roman Catholic Archdiocese of Cashel and Emly
The Archdiocese of Cashel and Emly (Irish: "Ard-Deoise Chaisil agus Imligh" ) is a Roman Catholic archdiocese in mid-western Ireland.
 The archdiocese is led by the Archbishop of Cashel and Emly, who serves as pastor of the mother church, the Cathedral of the Assumption and metropolitan of the ecclesiastical province of Cashel and Emly.
 The Diocese of Cashel was established in 1111 by the Synod of Rathbreasail.
 The ecclesiastical province, which was roughly co-extensive with the secular province of Munster, was created in 1152 by the Synod of Kells.
 The cathedral church of the archdiocese is located in Thurles, County Tipperary.
 The incumbent archbishop is Kieran O'Reilly.
Ecclesiastical Province of Ontario
The Ecclesiastical Province of Ontario is one of the Anglican Church of Canada's four ecclesiastical provinces.
 It was established in 1912 out of six dioceses of the Ecclesiastical Province of Canada located in the civil Province of Ontario, and the Diocese of Moosonee from the Ecclesiastical Province of Rupert's Land.

Answer: Province of Canterbury