Enter your coordinates, a range, a minimum and maximum player score, click on "Find", and you get a list of players to attack in the surrounding area, then click on the magnifying glass icon to get latest Grepolis player activity stats. Use also this tool for your defense: set the alliance filter, and you'll get the list of players near you, at the bottom of this page, ready to be pasted
for a group message.
Top Players by Gained Points