FINISTERE (29)
6 377 Km2,
Altitudes Max-Mini 0-387 m,
Pop.: 86 .600,
Administrative City : QUIMPER
Pop.: 63 800 (Rank 67)

MORBIHAN (56)
6 823 Km2,
Altitudes mini-maxi 0-297m,
Pop.: 654 700,
Administrative City : VANNES
Pop.: 52 300 (Rank 89)

COTES D'ARMOR (22)
8 763 Km2,
Altitudes mini-maxi 0-340 m,
Pop.: 546 900,
Administrative City : SAINT- BRIEUX
Pop.: 44 100, (Rank 129)

ILLE ET VILLAINE (35)
6 775 Km2,
Altitudes mini-maxi 0-255 m,
Pop.: 897 100,
Administrative City : RENNES
Pop.: 211 00 (Rank48)