ETYM Cf. French localisation.
(Alternate spelling: localisation).
A determination of the location of something; SYN. localisation, location, locating, fix.

The process of altering a program so that it is appropriate for the geographic area in which it is to be used. Localization involves the customization or translation of the separated data and resources required for a specific region or language. For example, the developers of a word processing program must localize the sorting tables in the program for different countries or languages because the correct order of characters in one language might be incorrect in another. L10N is a common abbreviation for Localization, where the “L” in Localization is followed by 10 letters and ends with the letter “N.”