You can see your coordinates by using the command "where" in the console.

• If you're using touch controls : pause the game, then press the top-left and top-right corners of the screen simultaneously. You'll see the developpers buttons, and a >_ button : enter the command "where" to see your coordinates.
• If you're using a controller : pause the game, press LB+RB simultaneously until you see the developpement button and a >_ button to enter the command. You can also resume the game, and press LB+RB+LT+RT simultaneously to trigger the command line directly.

You can find the list of all the other commands here.