whereabouts; what area; which part
Used to ask about the general location or area of something. Often softer than どこ.
すみません、駅はどの辺りですか。
Excuse me, whereabouts is the station?
どの辺りが痛みますか。
Which part hurts?
Standard kanji-kana mixed spelling.
Rare kanji spelling using 何 for ど.
Compound of どの (which) + 辺り (area, vicinity).