Locations
0 - At the centre of the map: Jerusalem, above it: the crucifix.
1 - Paradise, surrounded by a wall and a ring of fire. During World War II this was printed in Japanese textbooks since Paradise appears to be roughly in the location of Japan.
2 - The Ganges and its delta.
3 - The fabulous island of Taphana, sometimes interpreted as Sri Lanka or Sumatra.
4 - Rivers Indus and Tigris.
5 - The Caspian Sea, and the land of Gog and Magog
6 - Babylon and the Euphrates.
7 - The Persian Gulf.
8 - The Red Sea (painted in red).
9 - Noah's Ark.
10 - The Dead Sea, Sodom and Gomorrah, with the River Jordan, coming from the Sea of Galilee; above: Lot's wife.
11 - Egypt with the River Nile.
12 - The River Nile (?), or possibly an allusion to the equatorial ocean; far outside: a land of mutants, possibly the Antipodes.
13 - The Azov Sea with rivers Don and Dnieper; above: the Golden Fleece.
14 - Constantinople; left of it the Danube's delta.
15 - The Aegean Sea.
16 - Oversized delta of the Nile with Alexandria's Pharos lighthouse.
17 - The legendary Norwegian Gansmir, with his skis and ski pole.
18 - Greece with Mt. Olympus, Athens and Corinth
19 - Misplaced Crete with the Minotaur's circular labyrinth.
20 - The Adriatic Sea; Italy with Rome, honoured by a popular Latin hexameter; Roma caput mundi tenet orbis frena rotundi ("Rome, the head, holds the reins of the world").
21 - Sicily and Carthage, opposing Rome, right of it.
22 - Scotland.
23 - England.
24 - Ireland.
25 - The Balearic Islands.
26 - The Strait of Gibraltar (the Pillars of Hercules).
Read more about this topic: Hereford Mappa Mundi