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Chateau Sylaire

A tower in the Principality of New Averoigne, Principalities of Glantri. Named after an old castle in Old Averoigne, Laterre. First appeared as Sylaire in GAZ3 (1987); renamed to Chateau Sylaire in TM1 (1989); restored to just Sylaire in Glantri 2E (1995).

The Principalities of Glantri by Jason Hibdon, May 2020

Jason Hibdon’s Glantri, 8 miles per hex

Glantri, 8 miles per hex

Combined replica of Known World maps from the Rules Cyclopedia, 8 miles per hex

Rules Cyclopedia Known World, 8 miles per hex

Combined replica of TM1 & TM2 The Western and Eastern Countries, 8 miles per hex

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

TM1 The Western Countries, 8 miles per hex

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Pages

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
Appendix M: Mappers of Mystara

Thorfinn Tait Cartography

Let’s Map Mystara 1986

Let’s Map Mystara 1985

Let’s Map Mystara 1984

Let’s Map Mystara 1983

Placing B3’s Gulluvia Map

Lining Up Mystara Revisited V

Let’s Map Mystara 1981-1982

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Copyright Notice

All content is copyright Thorfinn Tait, 1999-2025. 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, 1999-2025. 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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