The decks of a Galaxy-class Federation starship:

• Deck 1
  • Bridge
  • Captain's ready room
  • Conference lounge

• Deck 3
  • Executive Dining room (TNG: "Violations")

• Deck 4
  • Main shuttlebay (TNG: "Cause and Effect")
  • Cargo bays (TNG: "Schisms")
    • Cargo Bay 1 (TNG: "Code of Honor")
    • Cargo Bay 3 (TNG: "Datalore")
    • Cargo Bay 6 (TNG: "Hide and Q")
    • Room 2740: Cargo Hold 7 (TNG: "Up The Long Ladder")
    • Room 2317: Cargo Bay 11 (TNG: "Symbiosis")
    • Cargo bay transporters (TNG: "11001001")
  • Ship's stores (TNG: "The Naked Now", "Datalore")

• Deck 5
  • Interrogation/Detention Area (TNG: "Manhunt")

• Deck 6
  • Room 1654: Transporter Room 1 (TNG: "Brothers")
  • Room 2054: Transporter Room 3 (TNG: "Where No One Has Gone Before")

• Deck 7
  • Section 4: Guest quarters (TNG: "True Q")
  • Guest quarters (TNG: "The Perfect Mate")
  • Crew quarters (TNG: "The Outrageous Okona")

• Deck 8
  • Unfinished multipurpose deck (TNG: "Liaisons")
  • Room 0142: VIP quarters (TNG: "Reunion")
  • Room 0910: Counselor Troi quarters (TNG: "Genesis")
  • Room 0912: Commander Riker quarters (TNG: "Chain of Command, Part II")
  • Room 3402: Counselor's office (TNG: "The Price")
  • Battle bridge (TNG: "Encounter at Farpoint")
  • Crew quarters (TNG: "The Outrageous Okona")
  • Captain's quarters (TNG: "Night Terrors")

• Deck 9
  • Section 4: Guest quarters (TNG: "Bloodlines")
  • VIP quarters (TNG: "Man of the People")
    • Room 0910: Guest quarters, 2365 (TNG: "The Dauphin")
    • Room 0910: Deanna Troi's quarters, 2366 (TNG: "The Price")
    • Room 0937: Guest quarters, 2366 (TNG: "Evolution")
  • Officer's Quarters (TNG: "Q Who")
    • Room 3601: Jean-Luc Picard's quarters (TNG: "Allegiance")
  • Security station (TNG: "The Defector")

• Deck 10
  • Section 1: Ten Forward (TNG: "The Child", "Power Play")
  • Crew quarters (TNG: "Conundrum")
  • Holodeck 5 (TNG: "Homeward")
  • Room 5013 Planetary sciences laboratory (TNG: "Pen Pals")
  • Science laboratory (TNG: "Suspicions")

• Deck 11
  • Holodeck (TNG: "Encounter at Farpoint")
    • Room 0925: Holodeck three (TNG: "All Good Things...")
    • Room 1825: Holodeck two (TNG: "Elementary, Dear Data")
    • Room 2917: Holodeck four (TNG: "Encounter at Farpoint")

• Deck 12
  • Section 23 Baker, Room 1629: Chief medical officer's office (TNG: "Genesis")
  • Section 23 Baker, Room 1631: Sickbay (TNG: "The Naked Now", "The Next Phase", "Genesis")
  • Biomedical Lab (TNG: "Home Soil")
  • Nursery (TNG: "Home Soil")
  • Gymnasium (TNG: "The Icarus Factor")
  • Transporter Room 8 (TNG: "Coming of Age")

• Deck 13
  • Room 5973: Shuttlebay 2 (TNG: "Transfigurations")
  • Shuttlebay 3 (TNG: "The Next Phase")

• Deck 14
  • Transporter room (TNG: "Encounter at Farpoint")
  • Primary care classroom (TNG: "Rascals")
  • Turbolift 2 (TNG: "Encounter at Farpoint")
  • Conference Room (TNG: "The Outrageous Okona")

• Deck 15
  • Jefferies tube
    • J-4 (TNG: "The Hunted")

• Deck 16
  • Guest quarters (TNG: "Violations")

• Deck 17
  • Section 21 Alpha: Arboretum (TNG: "Genesis")
  • Auxiliary turbolift to battle bridge (TNG: "Heart of Glory")
  • Crew quarters (TNG: "The Next Phase")

• Deck 18
  • Cargo bays (TNG: "Power Play")

• Deck 22
  • Lounge (TNG: "The Neutral Zone")
  • Turbolift 3 (TNG: "The Neutral Zone")

• Decks 23 to 24
  • Impulse System (Main), Fusion Reaction Systems (TNG: "Contagion", display graphic)

• Deck 25
  • Room 0293: Starboard nacelle Jefferies tube access (TNG: "Eye of the Beholder")
  • Room 0294: Starboard nacelle tube/plasma injector (TNG: "Eye of the Beholder")
  • Torpedo bay (TNG: "In Theory")
  • Docking port 5 (TNG: "11001001")

• Decks 27 to 29
  • Deuterium Confinement Tankage (TNG: "Contagion", display graphic)

• Decks 30 to 35
  • Deuterium injection subsystem (TNG: "Contagion", display graphic)

• Deck 30
  • Jefferies tube
    • J-9 (TNG: "The Hunted")
    • K-12 (TNG: "The Hunted")

• Deck 32
  • Living quarters (TNG: "Imaginary Friend")

• Deck 33
  • Room 5244: Brig (TNG: "Deja Q")

• Deck 34
  • Turbolift 5 (TNG: "The Hunted")

• Deck 36
  • Main engineering, dilithium regulation chamber, dilithium chamber hatch, power transfer conduits (TNG: "11001001", "Contagion", "Conundrum")
  • Droid Maintenance
  • Science lab (TNG: "Time's Arrow, Part II")
  • Room 5244: Jefferies tube access point (TNG: "Thine Own Self", "Realm of Fear")
  • Turbolift 5 (TNG: "11001001")
  • Turbolift 9 (TNG: "11001001")

The Chief Engineer's office may be located on this deck. (TNG: "Galaxy's Child")

• Decks 37 to 41
  • Antiproton injection subsystem (TNG: "Contagion", display graphic)

• Deck 38
  • Jefferies tube
    • N-11 (TNG: "The Hunted")
    • N-95 (TNG: "The Hunted") - external sensors
  • Cargo bays
    • Cargo Bay 3 (TNG: "The Hunted")

• Deck 39
  • Cargo bays
    • Cargo Bay 12 (TNG: "A Matter of Perspective")

• Deck 42
  • Antimatter chamber (TNG: "Contagion", display graphic)
  • Antimatter storage (TNG: "Liaisons")