region=CA
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Lake Ontario. Now and Always.
Map worldview matters.
Providers may show different borders and geographic names depending on the national setting used. For Canadian maps, choose Canada explicitly. In Google Maps, use region=CA.
Google Maps
One Google Maps service, one test point, four regional requests. Only the region parameter changes.
region=US
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region=DE
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region omitted
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Apple Maps
Compare the same Apple Maps view with en-CA and en-US.
Canadian English
en-CAToken requiredSet APPLE_MAPS_TOKEN to run this pane.
U.S. English
en-USToken requiredSet APPLE_MAPS_TOKEN to run this pane.
MapKit JS exposes a language preference here, not Google’s region or a documented Canadian worldview.
Mapbox
Compare the same Mapbox view with worldview US and all.
U.S. worldview
USToken requiredSet MAPBOX_PUBLIC_TOKEN to run this pane.
All worldviews
allToken requiredSet MAPBOX_PUBLIC_TOKEN to run this pane.
Mapbox documents worldviews such as US and all; it does not offer a CA worldview in this control.
OpenStreetMap
The same OpenStreetMap tile request appears in both panes because this endpoint has no regional setting.
Tile request A
same URLLoading map
Tile request B
same URLLoading map
Both panes intentionally use the same public tile URL. An identical label is the expected provider-native result.
ArcGIS
Compare the same ArcGIS Streets view with the default and U.S. worldview settings.
Default worldview
omittedKey requiredSet ARCGIS_API_KEY to run this pane.
U.S. worldview
unitedStatesOfAmericaKey requiredSet ARCGIS_API_KEY to run this pane.
ArcGIS has no Canadian worldview code in this control, so the comparison does not invent CA.
How to compare
Every pane uses 43.65, -78.80 at zoom 7. Change only the setting shown above the map, then record the visible label.
Although Google Maps does not document region=US as the default, initial tests indicate that a U.S. worldview is the effective default when region is omitted. For Canadian maps, set region=CA explicitly.