Chapters, regions & areas across the United States
Structure: Division › Region › Area › Chapter.
Regions are colored by Division; each region is tiled into its Areas along real county lines.
Click a region to zoom in to its Areas; click an Area to see its chapters & accounts.
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Derived boundaries — Area boundaries (and the California 4-way
split) follow real county lines, but each county is assigned to the
nearest Area by chapter clustering. Approximate, pending the
authoritative roster.
Areas
Derived boundaries. Area lines shown here are inferred from where each Area's chapters cluster — pending authoritative roster.
Map shows only accounts that geocoded. Accounts without a marker still appear in the lists above.
Divisions
Click a division to highlight its regions. Click again to clear. Chapter dots appear when you drill into an Area.
West chapter Central chapter East chapter Graduate & Faculty
Networks & non-geographic groups
Toggles above control map visibility for these; they are always included in any totals.