Download Areas and Navigate Offline
Download Areas and Navigate Offline by Google Maps Help
If you're going where the Internet is slow, mobile data is expensive, or you can't get online, you can save an area from Google Maps to your phone or tablet and use it when you're offline.
Note: Downloading offline areas isn't available in some regions because of contractual limitations, language support, address formats, or other reasons.
ANDROID IPHONE & IPAD
Download an area to use offline
Note: You can store your offline areas on your device or an SD card. If you change the way you store your offline areas, you’ll have to download your offline areas again.