Push and hold the center “Google” icon at the bottom of your phone and say, “What is my current location?” i. A map will appear with your address (if applicable) ii. Click on the map image that appears and hold the red location icon iii. Your coordinates will be in the bar at the top of your screen.

Maps are created with one layer, but you can have up to 10. On your computer, sign in to My Maps. Open or create a map. You'll see your layers in the box on the left.