Altan Tepe Mountains
A mountain range in the Known World, spanning the nations of Thyatis, Ylaruam, Karameikos, Darokin, Soderfjord, and Rockhome. First appeared in X1 (1981). The name was inherited from Moldvay and Schick’s Known World (c. 1976). The name became plural, Altan Tepes, from GAZ1 (1987) on.
- Alatian Islands
- Alphatia
- Alphatian Sea
- Arm of the Immortals
- Bellissaria
- Blackmoor
- Borea
- Brun
- Chronological maps
- Davania
- Esterhold
- Fan-made maps
- Great Northway Lands
- Great Waste
- Hollow World
- Hule
- Hyborea
- Iciria
- Isle of Dawn
- Known World
- Laterre
- Minaea
- News
- Norwold
- Ochalea
- Orc's Head Peninsula
- Outer World
- Pearl Islands
- Replica maps
- Savage Coast
- Sea of Dread
- Sea of Steam
- Serpent Peninsula
- Skothar
- Suridal
- Updated maps
