Tsakonian or Tsaconian (also Tzakonian or Tsakonic, Greek: τσακωνικά, η τσακωνική διάλεκτος and Tsakonian: τσακώνικα, α τσακώνικα γρούσσα) is a highly divergent modern variety of Greek, spoken in the Tsakonian region of the Peloponnese, Greece. Unlike all other extant varieties of Greek, Tsakonian derives from Doric Greek rather than from the Attic–Ionic branch. Although it is conventionally treated as a dialect of Greek, some compendia treat it as a separate language.Tsakonian is critically endangered, with only a few hundred or a few thousand, mostly elderly, fluent speakers left. Although Tsakonian and standard Modern Greek are related, they are not mutually intelligible.