The Domus Magna or "Great House" is the political Center of a House and generally the place where the Prima of the House resides.
Domus Magnae of the Order of Hermes[]
- Crintera - Domus Magna of House Bjornaer - located in the Rhine Tribunal.
- Durenmar - Domus Magna of House Bonisagus - located in the Rhine Tribunal.
- The Cave of Twisting Shadows - Domus Magna of House Criamon - located in the Greater Alps Tribunal.
- Cad Gadu - Domus Magna of House Ex Miscellanea - located in the Stonehenge Tribunal.
- Castra Solis - Domus Magna of House Flambeau - located in the Provençal Tribunal.
- Magvillus - Domus Magna of House Guernicus - located in the Roman Tribunal.
- Valnastium - Domus Magna of House Jerbiton - located in the Greater Alps Tribunal.
- Harco - Domus Magna of House Mercere - located in the Roman Tribunal.
- Irencillia - Domus Magna of House Merinita - located in the Rhine Tribunal.
- Coeris - Domus Magna of House Tremere - located in the Transylvanian Tribunal.
- Fudarus - Domus Magna of House Tytalus - located in the Normandy Tribunal.
- Verdi - Domus Magna of House Verditius - located in in the Roman Tribunal.