If you're planning to visit an area with poor or no network connection, it may be helpful to save Google Maps information onto your phone or tablet for use when you're offline. This article will teach you how to download and save maps in offline mode from Google Maps.
Note that the largest size for an offline area is 120,000 square kilometers (about 46,300 square miles). If you attempt to save a larger area, you'll be asked to zoom in to a smaller area.
How To Add Offline Areas to Google Maps
Open the Google Maps app and navigate to the desired area or location. Next, tap the Menu button to open the navigation drawer, and select Offline areas:
Tap the + button, and use your fingers to zoom into the area of the map you wish download. Google Maps will give you a preview (in real-time) of how much storage space will be needed for the offline map:
Tap Download, select a name for the new offline area, and then tap Save to resume your activities:
The download will be performed in the background when your smartphone is connected to WiFi. Tap Menu > Offline areas to view the download progress or downloaded maps: