For filling up the location details in Google Seo Author Snippet Plugin profile, you need the location coordinates. Which will be the latitude and longitude of your location. Regular users of Google maps know how to do this. And this is for those who don't know how to get this from google.
Please use this step by step guide to get the details using http://maps.google.com
To get latitude and longitude from ggogle map, just type your full address or location details and hit the search button.
Now you will can see the location icon pointing that area. Right click that icon and click what is here.
Now the search bar is populated with required latitude and longitude details. You can copy and paste this details in geo-location field of your profile. Hope this steps are useful. Dont forget to rate our plugin in wordpress. Also share your experience as comments. Thsi may help us in all the way to keep this plugin active and updated.