
Archdiocese
Church Hierarchy
Understand 'archdiocese' indicates a high level in church organization, just below the Pope's authority. 
Geographical Area
'Archdiocese' refers to both a church jurisdiction and the geographical area itself. 
Not Interchangeable
'Archdiocese' and 'diocese' aren't the same; an 'archdiocese' is led by an archbishop, a 'diocese' by a bishop. 