It seems all 5X's have access to all maps. My Australian 5X has maps for all areas:
Will the Fenix 5x purchased in Canada have Canada maps?
Will the Fenix 5x purchased in Canada have Canada maps?
_WatchName_ _FileName - ca FileSize_ _Garmin Express Name_
*REAL MAPS*
Worldwide DEM Basemap, NR gmapbmap.img 49 MB 'NONAME not-shown'
TopoActive Europe v4 West gmapprom.img 3432 MB Western Europe 4.0
TopoActive Europe v4 East gmapprom1.img 2354 MB Eastern Europe 4.0
Garmin Cycle Map EU 2017.10 gmapcycle.img 3213 MB 'Swedish equiv...'
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*GOLF DATA*
'NONAME not-shown' gmapsup1.img 29 MB Coverage of North and South America 5.50
'NONAME not-shown' gmapsup2.img 15 MB Coverage of Europe, Middle East & Africa 5.1
'NONAME not-shown' gmapsup3.img 14 MB Coverage of Pacific 4,60
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*TIME ZONE DATA* This is Garmin's TimeZoneMap v19.00 from Nov 2016
'NONAME not-shown' gmaptz.img 1 MB 'NONAME not-shown'
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*'COPY PROTECTION'/'CHECK SUM' Files*
'NONAME not-shown' *.gma *.unl *.sum 'NONAME not-shown'
I wouldn't call them amazing. It has city-slicker maps, but is missing topo, elevation, and trail-lines that you can commonly find on maps.me and nrcan.gc.ca. Go hiking in the US and you'll see what I mean - Canadian pre-load is far worse.