Instructions:
Use Google map controls (top left of map) to locate your event location.
You can drag also the map by clicking and holding anywhere within the map
and then dragging the map left, right, up or down.
You can also use the small inset map in the bottom right of the map.
Once you have located your event location, click once on the exact place, a
marker will appear on the map and the latitude and longitude values, will appear in the 2 boxes.