Chapman codes are a set of 2 or 3-capital-letter codes used in genealogy to (originally) identify the administrative divisions in the United Kingdom, Ireland,
the Isle of Man and the Channel Islands.
They were created by the historian, Dr. Colin R Chapman, in the late 1970s, and as intended, provide a widely used shorthand in genealogy which follows
the common practice of describing areas in terms of the counties and countries existing in the 19th and 20th centuries.
They have no mapping, postal nor administrative use.
Being so useful at unambiguously identifying such places, and considerably shortening reports containing many place-names, they have since been extended to cover geographies
beyond the original scope.
There follows a large table showing a great many Chapman Codes - not all by any means have been used in my own research.
Here they are not listed alphabetically by Code, but rather alphabetically by Country and Region for which a Chapman Code can be used.
Hence to discover the meaning of a particular Chapman Code found, use your Browser's Search facility on the Code on this page, to discover the Region or Country that it defines.
When complete, use your Browser's Back
button to return to the page containing the unknown Chapman Code.