Titled at upper right corner, in a cartouche: "GROLLA OBSESSA ET EXPVGNATA …Ordinum Belgii Confæderati", a legend below; adressed at bottom right corner: "Excudit Guilielmus Blaeuw", at bottom centre: "In castris ad amusim delineavit Theodorus Niels, apud Illusstrissimum Principem rerum quæ fortificationem concernunt curam habens"; several names of villages and rivers within print.