noun, noun which may take the genitive case particle 'no'
sacred precincts; sanctuary; holy ground
Refers to a physically or ritually consecrated area, such as a shrine, temple, or church ground. Often used in religious or historical contexts.
その神社の聖域には、一般の人は立ち入れない。
Ordinary people are not allowed to enter the sacred precincts of that shrine.
They quietly offered prayers in the sanctuary.
noun
off-limits issue; taboo topic; no-go area
Metaphorical extension: a subject, field, or area that is considered untouchable or not open to debate. Common in political, social, or organizational discourse.
その問題は党内の聖域で、誰も口を出せない。
That issue is a taboo topic within the party, and no one can speak out about it.
教育改革は長年、聖域とされてきた。
Educational reform has long been regarded as a no-go area.