Tags: Clerical Administrative Region, Diocese.
Vicariate Apostolic of Vientiane (Latin: Vicariatus Apostolicus Vientianensis) is a subdivision of the Roman Catholic Church in Laos. The vicariate covers the provinces of Houaphan Xiangkhoang Vientiane Province Vientiane Prefecture and most of Bolikhamsai. It is subdivided into 17 parishes. One of the largest churches is Sacre Coeur in Vientiane which was built in 1928 and renovated in 2004/2005.
