Hispania
From Diocletian's Tetrarchy ( AD 284 ) onwards , the south of remaining Tarraconensis was again split off as Carthaginensis , and probably then too the Balearic Islands and all the resulting provinces formed one civil diocese under the "vicarius" for the Hispaniae ( that is , the Celtic provinces ) . 
<triplet> Hispania <subj> Carthaginensis <obj> has part