Italiano centrale is a group of dialects of Italian spoken in Lazio and areas East of Lazio in Italy. Latium (now Lazio in Italian) is a region of central Italy, bordered by Tuscany, Umbria, Abruzzo, Molise, Campania and the Tyrrhenian Sea. ... Current distribution of Human Language Families Most languages are known to belong to language families. ... The Indo-European languages are a family of several hundred languages and dialects (443 according to the SIL estimate), including most of the major languages of Europe, as well as many in West, Central and Southern Asia. ... The Italic subfamily is a member of the Centum branch of the Indo-European language family. ... The Romance languages, also called Romanic languages or New Latin languages, are a subset of the Italic languages, specifically the descendants of the Latin dialects spoken by the common people in what is known as Latin Europe (Italian/Portuguese/Spanish Europa latina, Catalan Europa llatina, French Europe latine, Romanian Europa... Italo-Western is the largest sub-group of Romance languages. ... ISO 639-1 is the first part of the ISO 639 international-standard language-code family. ... ISO 639-2:1998 Codes for the representation of names of languages — Part 2: Alpha-3 code Twenty-two of the languages have two three-letter codes: a code for bibliographic use (ISO 639-2/B) a code for terminological use (ISO 639-2/T). ... ISO 639-3 is in process of development as an international standard for language codes. ... Latium (now Lazio in Italian) is a region of central Italy, bordered by Tuscany, Umbria, Abruzzo, Molise, Campania and the Tyrrhenian Sea. ...

External link

Linguasphere's analysis of Romance languages (pdf)