Aircraft cabin comprising a monument assembly fitted into the aircraft cabin for forming an aircraft cabin layout with respect to an aircraft front direction and an aircraft rear direction, the monument assembly comprising at least one crew attendant seat (11, 12, 21, 22) which is secured to the monument assembly, wherein the aircraft cabin comprises two access areas (15, 16, 25, 26) to respective lateral aircraft doors (13, 14, 23, 24) which are located respectively on left and right sides (1, 2) on the aircraft cabin for forming an intermediate or rear part of the aircraft cabin layout, the monument assembly comprising at least one bulkhead portion which forms a limit of the corresponding access area (15, 16, 25, 26) in the aircraft front direction, wherein the crew attendant seat has a seat backrest rigidly secured to the bulkhead portion of the monument assembly, and the crew attendant seat has a seat part pivotally connected to the bulkhead portion so that this seat part rotates about a horizontal rotation axis between a vertical stowed position and a horizontal use position, wherein the crew attendant seat faces in the aircraft rear direction and extends, when in use position, at least partly into the corresponding access area (15, 16, 25, 26), and wherein the crew attendant seat (11, 12, 21, 22) is arranged so that it does not allow a crew attendant seated thereon to monitor at least a part of passenger seats within a zone or cabin area of the aircraft cabin through direct vision, and wherein the aircraft cabin comprises at least one cabin monitoring system which includes at least one capturing device (101, 102, 103) positioned and oriented within the aircraft cabin, so that it allows monitoring of said part of the passenger seats within the zone or cabin area of the aircraft cabin, the cabin monitoring system including at least one video display device (111, 112, 113) configured to display at least one image data that is produced from acquisition data provided by the at least one capturing device, so that it can be viewed clearly by the crew attendant seated on said crew attendant seat, characterized in that the at least one video display device (111 112, 113) is fixedly located in front of the crew attendant seat, on the side of the access area opposite the crew attendant seat forming the rear part of the aircraft cabin layout, or secured to the cabin ceiling in the access area forming the intermediate part of the aircraft cabin layout. wherein the aircraft cabin comprises two access areas (15, 16, 25, 26) to respective lateral aircraft doors (13, 14, 23, 24) which are located respectively on left and right sides (1, 2) on the aircraft cabin for forming an intermediate or rear part of the aircraft cabin layout, the monument assembly comprising at least one bulkhead portion which forms a limit of the corresponding access area (15, 16, 25, 26) in the aircraft front direction, wherein the crew attendant seat has a seat backrest rigidly secured to the bulkhead portion of the monument assembly, and the crew attendant seat has a seat part pivotally connected to the bulkhead portion so that this seat part rotates about a horizontal rotation axis between a vertical stowed position and a horizontal use position, wherein the crew attendant seat faces in the aircraft rear direction and extends, when in use position, at least partly into the corresponding access area (15, 16, 25, 26), and wherein the crew attendant seat (11, 12, 21, 22) is arranged so that it does not allow a crew attendant seated thereon to monitor at least a part of passenger seats within a zone or cabin area of the aircraft cabin through direct vision, and wherein the aircraft cabin comprises at least one cabin monitoring system which includes at least one capturing device (101, 102, 103) positioned and oriented within the aircraft cabin, so that it allows monitoring of said part of the passenger seats within the zone or cabin area of the aircraft cabin, the cabin monitoring system including at least one video display device (111, 112, 113) configured to display at least one image data that is produced from acquisition data provided by the at least one capturing device, so that it can be viewed clearly by the crew attendant seated on said crew attendant seat, characterized in that the at least one video display device (111 112, 113) is fixedly located in front of the crew attendant seat, on the side of the access area opposite the crew attendant seat forming the rear part of the aircraft cabin layout, or secured to the cabin ceiling in the access area forming the intermediate part of the aircraft cabin layout.