Location of all 20 breakable window of Hooligan achievement in the Castle of Dimitrescu.

Kitchen Backroom [2] One is broken automatically when fighting the first daughter of Dimitrescu and second one is right next to the broken one.

Dining Room [2] On right and left of the door to Courtroom.

Stairway You See The First Door You Open in Courtyard [2] Both windows are large and right in front of you after opening the door.

Hallway before Hall of Ablution (Where Statue Puzzle is Located) [3] First one is right in front of you when you go up the stairs, second and third ones are on right and left front of the door to Hall of Ablution.

Dimitrescu's Chambers [3] All three windows are visible before entering the room where Lady Dimitrescu is talking to Mother Miranda on the phone.

Stairwell to Opera Hall [3] Second door you enter in the Courtyard has three windows in front of you.

Second Floor of Opera Hall [3] Right after Stairwell to Opera Hall, there is two windows next to each other in the small lounge area and another one on left before going down to Opera Hall.

Hall of Joy [1] Right after killing second daughter of Lady Dimitrescu, there is a window between Library and Hall of Joy.

Atelier [1] While destroying five Bells, the window you destroy to out side is the last one.