ISO 3166-2:ST is the entry for São Tomé and Príncipe (written without diacritics in the standard) in ISO 3166-2, part of the ISO 3166 standard published by the International Organization for Standardization (ISO), which defines codes for the names of the principal subdivisions (e.g., provinces or states) of all countries coded in ISO 3166-1. Currently for São Tomé and Príncipe, ISO 3166-2 codes are defined for 1 autonomous region and 6 districts. Each code consists of two parts, separated by a hyphen. The first part is , the ISO 3166-1 alpha-2 code of São Tomé and Príncipe. The second part is a letter for an autonomous region or two digits for a district. Current codes Subdivision names are listed as in the ISO 3166-2 standard published by the ISO 3166 Maintenance Agency (ISO 3166/MA). Changes The following changes to the entry have been announced by the ISO 3166/MA since the first publication of ISO 3166-2 in 1998: See also Subdivisions of São Tomé and Príncipe FIPS region codes of São Tomé and Príncipe References External links ISO Online Browsing Platform: ST Regions of Sao Tome and Principe, Statoids.com 2:ST ISO 3166-2 São Tomé and Príncipe geography-related lists pt:Subdivisões de São Tomé e Príncipe#ISO 3166-2:ST