"Where are you from?"

[debordmatthew]

The translation is missing the customary preposition "mai". I'm not aware if it's optional; I've never heard of it being omitted properly.

[kelii....]

They are probably trying to figure out how to include words like directionals that are not always translated in English at such a basic level. Including mai here is best.

[Tupu466804]

here it is used as a directional

[Pampelius]

Is ʻo only used in third person? ("No hea ʻo ia", so why not "No hea ʻo ʻoe"?)

[jdmcowan]

You will find other uses for 'o, but as I understand it, this particular use is only for the third person singular pronoun: 'o ia (but au, 'oe, and the plurals alone) and for proper nouns (but not regular nouns) so 'o Kaleo, but just ke kumu.