どちら

どちら
pronoun
which (of two); where; who
politegrammaticaldirection
See also: どっち (casual form)
1. which one (of two)
Used to ask about a choice between two options. The polite form of どっち.
どちらがいいですか。
Which one would you like?
Red or blue, which will you choose?
Which do you prefer, tea or coffee?
Which arrives faster, train or bus? I don't want to be late for work.
Which company are you from?
2. where (polite)
A polite way to ask where someone is from or where they are going.
Where are you going?
Polite 'where' meaning
Where are you from?
どちらにお住(す)まいですか。
Where do you live?
Where are you from, sir/madam?
Which direction are you heading? Shall I give you a ride?
どちらにお勤(つと)めですか。
Where do you work?
Asking about affiliation
3. who (polite)
A polite way to ask who someone is, almost always as どちら様 (on the phone, at the door, at reception).
どちら様(さま)ですか。
Who is it? / May I ask who's calling?
Very polite 'who' meaning
Excuse me, but may I ask who you are?
Who is that person?
At reception I was asked who I was.
I'm sorry, but may I ask who you are? Could you tell me your name?
Very formal inquiry

どちら is a polite interrogative with three main uses: asking which of two options, asking where (polite), and asking who (polite). It is more formal than どっち.

Related words

Common patterns

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どちら is the standard polite form. Use どっち in casual speech. In business or formal situations, どちら is strongly preferred.