locale.

DateTime::Locale::Base (3pm) - Base class for individual locale objects
DateTime::LocaleCatalog (3pm) - Provides a list of all valid locale names
DateTime::Locale::Base (3pm) - Base class for individual locale objects
DateTime::LocaleCatalog (3pm) - Provides a list of all valid locale names
I18N::Langinfo (3perl) - query locale information
locale (1)           - Get locale-specific information.
locale (3perl)       - Perl pragma to use and avoid POSIX locales for built-in operations
locale (5)           - Describes a locale definition file
locale-gen (8)       - generates localisation files from templates
locale.gen (5)       - Configuration file for locale-gen
Locale::Constants (3perl) - constants for Locale codes
Locale::Country (3perl) - ISO codes for country identification (ISO 3166)
Locale::Currency (3perl) - ISO three letter codes for currency identification (ISO 4217)
Locale::gettext (3pm) - message handling functions
Locale::Language (3perl) - ISO two letter codes for language identification (ISO 639)
Locale::Maketext (3perl) - framework for localization
Locale::Maketext::TPJ13 (3perl) - - article about software localization
Locale::Script (3perl) - ISO codes for script identification (ISO 15924)
localeconv (3)       - get numeric formatting information
localedef (1)        - compile locale definition files
luit (1)             - Locale and ISO 2022 support for Unicode terminals
MB_LEN_MAX (3)       - maximum multibyte length of a character across all locales
nl_langinfo (3)      - query language and locale information
perllocale (1)       - Perl locale handling (internationalization and localization)
validlocale (8)      - Test if a given locale is available