主要是体现四个自然地理分区。
Maritime Guinea (La Guinée Maritime) covers 18% of the country.
Middle Guinea (La Moyenne-Guinée) covers 20% of the country.
Upper Guinea (La Haute-Guinée) covers 38% of the country.
Forested Guinea (Guinée forestière) covers 23% of the country, and is both forested and mountainous.