The Knowne World refers to the places where the Society for Creative Anachronism exists.

The Knowne World is divided into twenty Kingdoms, each with its own set of traditions and awards. However, some awards, such as Award of Arms and Patent of Arms are recognized across the entirety of the Knowne World.

The Knowne World is governed by Corpora.

List of Kingdoms in the Knowne World, in order of founding.

• The West Kingdom
• The Kingdom of the East
• The Middle Kingdom
• The Kingdom of Atenveldt
• The Kingdom of Meridie
• The Kingdom of Caid
• The Kingdom of Ansteorra
• The Kingdom of Atlantia
• The Kingdom of An Tir
• The Kingdom of Calontir
• The Kingdom of Trimaris
• The Kingdom of the Outlands
• The Kingdom of Drachenwald
• The Kingdom of Artemisia
• The Kingdom of Æthelmearc
• The Kingdom of Ealdormere
• The Kingdom of Lochac
• The Kingdom of Northshield
• The Kingdom of Gleann Abhann
• The Kingdom of Avacal