Apostolic vicariate is a type of Roman Catholicdiocese for non-Catholic or missionary regions and countries. It is led by a vicar apostolic, a titular bishop having jurisdiction over such areas without an established normal hierarchy. An apostolic vicariate may be administered by a neighboring or foreign diocese and is led by a priest, appointed by the bishop to the office of vicar forane, exercising limited jurisdiction over the apostolic vicariate.
Resources
List of Current Apostolic Vicariates (http://www.ca-catholics.net/dioceses/data/typeapvc.htm)
A vicar capitular is a temporary ordinary of a diocese during a sede vacante period.
Episcopal vicars and vicars forane lead territorial divisions of a diocese, episcopal vicars are normally titular bishops, while vicars forane are always priests.
A parochial vicar is a priest assigned to a parish in addition to, and under the supervision of, the pastor.
Apostolic vicariate is a particular church of the Roman Catholic Church for non-Catholic or missionary regions and countries which do not have a diocese yet.
It is led by a vicarapostolic, a titular bishop having jurisdiction over such areas without an established normal hierarchy.
An apostolic vicariate may be administered by a neighboring or foreign diocese and is led by a priest, appointed by the bishop to the office of vicar forane, exercising limited jurisdiction over the apostolic vicariate.