The Southern Region of the East Kingdom is located in New York, Pennsylvania and New Jersey and includes the following branches: Barony of An Dubhaigeainn - Suffolk Co, NY, which holds the Canton of Storm Haven - Eastern LI, Twin Forks, NY; Shire of Barren Sands - Atlantic, Cape May, Cumberland and Salem Co, NJ; Barony of Bhakail - Philadelphia, PA, which holds the Canton of Buckland Cross - S. Bucks Co., PA and Bailiwick of Ivyeinrust - University of PA; Shire of Black Rose - Camp Hill and Harrisburg, PA; Shire of Caer Adamant - State of Delaware; Barony of Carillion - Monmouth, Ocean, S. Middlesex Co., NJ, which holds the Canton of Forestgate - Mercer Co. NJ, Canton of Keep by the Endless Sea - Bradley Beach, NJ and Canton of Whispering Pines (incipient) - N. Burlington City, NJ; Shire of Eisental - Allentown, Bethlehem, Easton & Reading, PA; Shire of Hartshorn-dale - Chester-Montgomery, PA; Shire of Iron Bog - Camden, Gloucester, S. Burlington, NJ; Shire of Montevale - Fulton, Franklin, Cumberland, PA; Crown Province of Ostgardr - Greater NYC which holds the Canton of Broken Bridge (incipient) - Brooklyn, NY, Canton of Lions End - Nassau Co, NY, Canton of Northpass - Putman & Westchester, NY and Canton of Whyt Whey - Manhattan, NYC, NY; Shire of Owls Reste - York County, PA; Shire of Rusted Woodlands - Rockland & Orange Co., NY, Bergen & Passaic Co, NY; Barony of Settmour Swamp - Somerset, Morris Co. NJ which holds the Canton of Gryphonwald - Middlesex City, NJ and Canton of Marwick - Union County, NJ; Shire of Silver Rylle - Lancaster, Lebanon Co., PA.
- Barony of Settmour Swamp Covers north-central New Jersey. Newcomer information, activity schedule, officers, populace. Baronial territory (towns and ZIP Codes).
- Canton of Marwick Located in Union county of New Jersey. Officers, meetings, newsletter.
- Crown Province of Østgarðr Located in New York City. Calendar database, activity schedule, news, newcomer info, local trivia, 'this month in history', area concerts, shows, museum exhibits of interest to SCA; newsletter articles, officers, populace (pictures, devices, links). Uses frames.
- Shire of Hartshorn-dale Website of the SCA group serving Chester and Montgomery Counties in Pennsylvania; member information and events schedule.
- Shire of Owl's Reste Located in York County, Pennsylvania. Calendar, officers, newsletter.