expression, noun
whereabouts; what part; which area
Asks about a physical location or a general area within a larger context. Often used when the speaker expects an approximate answer.
駅はどの辺にありますか。
Whereabouts is the station?
痛みはどの辺ですか。
What part (of your body) hurts?
expression, noun
Asks about a degree, amount, or stage in a process. Common in questions about progress, understanding, or quantity.
仕事はどの辺まで進んでいますか。
How much of the work is done?
説明はどの辺まで理解できましたか。
To what point did you understand the explanation?
Compound of どの (which) and 辺 (area, vicinity). The reading へん for 辺 is a common suffix meaning 'area' or 'around'.