The Valrizen or Valruzian language (język walruzyjski, walruzsczyzna) is a North Seleyan language spoken primarily in Valruzia and is native language of Valruzian people. Valruzian is the official, recognized language of the Republic of Valruzia, but it is also used throughout Terra by valruzian minorities and diasporas. It is one of the official languages of the Seleyan Union since Valruzian 4267 accession to the SU. The unique characteristic of the Valruzian language is its internal diversity and presence of numerous dialects and vernacular languages closely related to it. There is over 100 million native speakers of the Valruzian language worldwide.

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