Maithili is also an official language of India. Approx 100 million people speak Maithili in India and Nepal. Wikipedia is also avlaibe in Maithili.
LocaleLocale Locale = language version, often a combination of a language code and a region code, for instance es_MX denotes Spanish as it’s used in Mexico. A list of all locales supported by WordPress in https://make.wordpress.org/polyglots/teams/: The ISO 639-3ISO 639-3 ISO 639-3 code is an international standard for language codes in the ISO 639 series. It defines three‐letter codes for identifying languages. : mai
Country code: IN
Language native name: मैथिली
Language English name: Maithili
Sub-domain: IN_mai
Site Title: Mithila Live
Site Description: this website is for Maithili Speaking people