Throughout both the films and novels, various MI6 intelligence "sections" are named with a letter. The letter is usually the first name of the country or city in which it is located. They are:

Section Locations Story Medium Personnel
A United States Live and Let Die Literary
A Australia Zero Minus Ten Literary
A Austria Literary
B West Germany (Berlin) The Living Daylights Literary Head: Sender
C Canada For Your Eyes Only Literary
D Germany (Deutschland) Literary
F Finland Icebreaker Literary
F France From A View to a Kill Literary
G Greece Colonel Sun Literary Head: Stuart Thomas
H Finland (Helsinki) Icebreaker Literary
H Hong Kong Die Another Day
I India Octopussy Film Head: Sadruddin
J Jamaica Casino Royale Literary Head: Charles da Silva
J Jamaica Dr. No Both Head: John Strangways
Secretary: Mary Trueblood
J Jamaica The Man with the Golden Gun Literary Head: Commander Ross
Secretary: Mary Goodnight
J Japan You Only Live Twice Both Dikko Henderson
M Munich On Her Majesty's Secret Service Literary
N Cyprus (Nicosia) The Facts of Death Literary
P Paris From A View to a Kill Literary
P Persia Devil May Care Literary Darius Alizadeh
S Soviet Union Colonel Sun Literary
T Turkey From Russia with Love Both Head: Darko Kerim (Kerim Bey)
V Vienna The Living Daylights Film Head: Saunders
VH Rio de Janeiro Moonraker Film Head: Manuela ?
W West Germany Literary
WB West Berlin The Living Daylights Literary Captain Paul Sender
Y Zagreb, Yugoslavia From Russia with Love Film
Z Zurich On Her Majesty's Secret Service Both Head: Muir