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Apostolic Vicariate of Vientiane

Vientianen(sis)

Latin-rite apostolic vicariate of the Laotian capital, erected as a vicariate in 1952, with its seat at the Cathedral of the Sacred Heart in Vientiane. Bishop Anthony Adoun Hongsaphong, a priest of the Apostolic Vicariate of Pakse appointed by Pope Francis in December 2024, received episcopal ordination at Sacred Heart Cathedral on March 25, 2025 as the new vicar apostolic.

The see

Rank
Apostolic vicariate
Tradition
Latin Church
Erected
13 March 1952
Latin
Vientianen(sis)
Annuario code
001000467

The see in figures

Catholics
11,120
Population
2,435,630
Catholic shareof the people living within its bounds
0.5%
Priests
6
Catholics per priest
1,853
Extent
98,000 km²
Catholics per km²
0.1

Figures as recorded in the register, from the Annuario Pontificio and the see's own published statements. Shares and ratios are computed from the two figures shown beside them.

The bishop

Vicar Apostolic
Anthony Adoun Hongsaphong
Born
8 April 1964
Birthplace
Champassak

A see whose chair stands empty is recorded as vacant rather than filled with a guess. On what a bishop is, see the bishop.

The cathedral

Cathedral of the Sacred Heart, Vientiane stands in Vientiane, the church that holds the cathedra from which this see takes its name.

On what a cathedral is, see the cathedral; every see church on earth is gathered at the cathedrals.

How to reach it

Diocesan offices
Catholic Center, Samsenthai Road, Kaoyot Village, B.P. 113 Sisattanak District, Vientiane Capital, Laos
Telephone
[020]5555.6018; fax 21.62.18

This see keeps no website of its own, so the address of its diocesan offices is published here: withholding it would protect nothing and leave a reader with nowhere to go. Where a see publishes its own site, the register sends you there instead.

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Sources

Wikipedia

Compiled from the published statements of the see and the references of the Holy See, among them the Annuario Pontificio. Corrections: hello@catholicintelligence.com.