I'm using community builder for user management.User will register themselves and keep their profile.The real problem that we am facing is when i'm able to display user based on their whereabouts. suppose i've 10 user with various location like.

Australia 1.abad 2.adfsadf 3.dsfsadfsad 4.sdfsdf

India 1.sdfsdf 2.sdfsdfsdf 3.sdfsdfds

USA 1.sdfsd 2.dsfsdf

please provide me any suggestion the way i are capable of doing this.

Thanks ahead of time