The ATLANTIC UNION CONFERENCE is the headquarters for the Seventh-day Adventist Church in the Northeastern Region of the United States and Bermuda. It provides coordination for six local conferences: Bermuda, Greater New York, New York, Northeastern, Northern New England and Southern New England.

BERMUDA CONFERENCE Territory: Island of  Bermuda Membership: 3,930 Churches: 10 Companies: 1 GREATER NEW YORK CONFERENCE Territory: That portion of New York State including New York City and the counties of Columbia, Dutchess, Greene, Nassau, Orange, Putnam, Rockland, Suffolk, Sullivan, Ulster and Westchester. Membership: 23,370 Churches: 145 Companies: 18 NEW YORK CONFERENCE Territory: That portion of the State of New York north and west of Sullivan, Ulster, Greene, and Columbia Counties. Membership: 5,007 Churches: 63 Companies: 2 NORTHEASTERN CONFERENCE Territory:  Regional constituency of Connecticut, Maine, Massachusetts, New Hampshire, New York, Rhode Island and Vermont. Membership: 47,248 Churches: 164 Companies: 22 NORTHERN NEW ENGLAND CONFERENCE Territory: Maine, New Hampshire, and Vermont. Membership: 5,007 Churches: 60 Companies: 5 SOUTHERN NEW ENGLAND CONFERENCE Territory:  Connecticut, Massachusetts, and Rhode Island. Membership: 14,481 Churches: 103 Companies: 19 Statistics taken from: North American Division Third Quarter 2007 Statistical Report.