Our sources disagree on where Callao is governed from. If you know it, tell us with a source.
Sign in to suggest the seat of Callao, so a moderator can follow up with you.
No boundary for Callao yet
Nothing has been written about Callao here, and neither Wikipedia nor Wikivoyage has an article we could draw one from. If you know the place, that makes you a better source than anything we have. Tell us what is worth knowing and where you got it.
No source is recorded for this page yet.
Tell us what Callao should say, and where you read it.
Sign in to send a correction for Callao, so a moderator can follow up with you.