the same prefecture
Refers to a prefecture that is the same as one previously mentioned or understood from context. Often used in news reports to indicate that a person or event is from the same prefecture as another.
He is from the same prefecture as me.
the said prefecture; the prefecture in question
Used anaphorically to refer back to a prefecture already mentioned in the discourse, similar to 'the aforementioned prefecture'. Common in formal or written contexts.
In the said prefecture, a new ordinance will come into effect next month.
The victim was a company employee from the same prefecture.
A major earthquake occurred within the prefecture in question.
The prefectural police announced the detailed situation.
同市 anaphorically refers to a city just mentioned, while 同県 refers to a prefecture, a broader administrative unit.
同国 anaphorically refers to a country just mentioned, a broader unit than 同県, which points back to a prefecture.
Compound of 同 (どう, 'same') and 県 (けん, 'prefecture').