The Table of Noteworthy Cities (Ancient Greek: Επισημον Πολεων Κανον, romanized: Episemon Poleon Kanon) (also known as "the Kanon") is a list of cities compiled by Ptolemy shortly after creating the Geography.
Originally, the text of the Kanon was thought, for example by Vogul Fischer, to derive from Chapter 8 of the Geography,[1] however it is now demonstrated to be part of an independent textual tradition.
Several medieval recensions of the text survive with the earliest being the early 3rd century P. Ryl.
3 522 in the Rylands Library of Manchester University;[3] the next 4 oldest manuscripts date to the 9th century:[2] The Rylands Papyrus 522 is the earliest surviving fragment of the Kanon, dating from the early 3rd century AD, less than a generation after Ptolemy himself.
According to Defaux, who produced the critical edition and translation in 2020, the following cities are mentioned in the fragment:[2][4]