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Koom’s Castle

An underwater castle in the Sea of Dread, near the Minrothad Guilds. First appeared in X7 (1984).

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

Known World, 24 miles per hex (1986)

Known World, 24 miles per hex (1985)

Sea of Dread Underwater, 24 miles per hex (1984)

Known World, 24 miles per hex (1984)

PC3 Sea of Dread Submerged Lands, 8 miles per hex

tm1-tm2-western-and-eastern-countries-8-sm

TM1 & TM2 Western and Eastern Countries, 8 miles per hex

TM1 The Western Countries, 8 miles per hex

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About
Supporting the Atlas
Indices
Inner-Outer World Correlation
Appendix A: Archives
Appendix C: Cartographic Chronology
Appendix F: Fonts of Mystara’s Maps
Appendix G: Gazetteer
Appendix J: Japanese Mystara
- Japanese D&D Rules Cyclopedia
- Japanese B10-B12
Appendix L: Lining Up Mystara
- The Isle of Dread Scale Problem
Appendix M: Mappers of Mystara

Thorfinn Tait Cartography

Copyright Notice

All content is copyright Thorfinn Tait, 1999-2024. All rights reserved. Atlas of Mystara by Thorfinn Tait is licensed under a Creative Commons Attribution – Non-Commercial – Share-Alike 4.0 International License. Feel free to use, repost, and modify, as long as you give credit. Hex art is copyright Thorfinn Tait, 1999-2024. The art used for my Mystara maps is also available to use under a Creative Commons license. Maps tagged as Fan-made maps are copyright their creators, and reposted here with permission.

Mystara is owned by Wizards of the Coast. All of my Mystara work is strictly non-commercial, on a voluntary basis as a member of the Mystara fan community. Atlas of Mystara is unofficial Fan Content permitted under the Wizards Fan Content Policy. Not approved/endorsed by Wizards. Portions of the materials used are property of Wizards of the Coast. ©Wizards of the Coast LLC.

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Brun, 24 miles per hex (1986)