gistfile1.txt

public class User
{
    public string id { get; set; }
    public string name { get; set; }
    public Location location { get; set; }
}

public class Location
{
    public string id { get; set; }
    public string name { get; set; }
}

var fb = new FacebookClient("access_token");
var result = fb.Get<User>("me");
if(result.location != null) {
    
}