Chatham

There is more than one place called Chatham:

Canada

 * Chatham (Ontario) — a town in southwestern Ontario

New Zealand

 * Chatham Islands — an offshore archipelago to the east of New Zealand's main islands

United Kingdom

 * Chatham (England) — a town in Kent, England

United States of America

 * Chatham (Massachusetts) — a town in Massachusetts
 * Chicago/Chatham-South Shore — a district in Chicago, Illinois