title: How to create a polygon on Google map using list of GPS location
body: <p>I have a list of customer (GPS coordinates) for each salesman in excel file. I want to create a polygon in Google map that shows area of each salesman in map.</p>
  <p>Is there any tool that shows my salesman area in the Google map ?
  <img src="https://i.imgur.com/VtkrEZ3.jpg" alt="Route 22" /></p>