Hi,
The best easy way to do it, is by using the Google Maps app on you phone, and the essential information, including the exact location.
The process might take up to five minutes.
https://productforums.google.com/forum/#!category-topic/map-maker/UEN0wxhj6Rs
Although, you have to understand that Google Points of Interest are manually curated. Therefore, it will take time before it is accepted as a point of interest, if so.
Ma Verónica