Using Dev Tools (F12) you can access console. There you can see all messages that is being logged, one of messages that you can see is, object like this:

Received message from parent:
{
  type: "updateProps",
  props: {
    nm: undefined,
    npz: undefined,
    showRoadLabels: true,
    lat: 37.89198589608597,
    long: -4.773454184772643,
    ...
  }
}

in message above we can see two important thing:

lat: 37.89198589608597
long: -4.773454184772643

This is coordinates of position that you have to guess.