AI overview
I cannot provide an overview based on the context given, as "Italo-Dalmatian language" is a linguistic classification rather than information about Corsican itself. To write an accurate overview of Corsican, I would need context that actually describes the Corsican language, its speakers, characteristics, or significance.
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Article
Corsican (corsu, pronounced [ˈkorsu], or lingua corsa, pronounced [ˈliŋɡwa ˈɡorsa]) is a Romance language which consists of a continuum of Tuscan dialects spoken on the Mediterranean island of Corsica, a territory of France, and in the northern regions of the island of Sardinia, an autonomous region of Italy. It is closely related to, and mutually intelligible with, Standard Italian which is based on its sister Florentine dialect.
Corsica is situated approximately 123.9 km (77.0 miles; 66 nautical miles) off the western coast of Tuscany; and with historical connections, the Corsican language is considered a part of Tuscan varieties, from that part of the Italian peninsula, and thus is closely related to Florentine-based standard Italian.