AGOPA has a website. Please visit agopa.com
Airspace waypoints are made by 5 letters words which are relatively easy to pronounce. Agopa is such a word. It is a waypoint over France.
This picture shows the cockpit of a small one engine aircraft, a Piper PA28, flying over french airspace, in the vicinity of AGOPA.
Appart from being on agopa.com, agopa as a waypoint can be seen here on this chart, south of Paris.
Latitude 48° 4' 60.00" N
Longitude 2° 0' 35.00" E
You are most likely to overfly AGOPA on departure from Paris CDG or Orly to the south, going to Spain, Africa or Toulouse for exemple.
Enjoy the flying.
The AGOPA website is simple, yet it follows most recommendations.