Casual expression for asking about a general location or area. Similar to どこら辺 (どこらへん) but with the more formal あたり reading.
See also: どこらへん
Whereabouts is the station?
Where should we meet up?
Kana spelling is standard; the kanji form 何処ら辺り is rare.
Rarely used kanji form; learners should use the kana spelling.
Combination of どこ (where) + ら (approximate suffix) + 辺り (あたり, vicinity). The exact derivation is uncertain, but it likely emerged as a colloquial way to ask for a general location.