Our sources disagree on where Zone 4 is governed from. If you know it, tell us with a source.
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No boundary for Zone 4 yet
Nothing has been written about Zone 4 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 Zone 4 should say, and where you read it.
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