The Batanic languages are a dialect cluster which form a group of the Philippine branch

Philippine languages

The Philippine languages are a 1991 proposal by Robert Blust that all the languages of the Philippines and northern Sulawesi—except Sama–Bajaw and a few languages of Palawan—form a subfamily of Austronesian languages...

 of the Austronesian language

Austronesian languages

The Austronesian languages are a language family widely dispersed throughout the islands of Southeast Asia and the Pacific, with a few members spoken on continental Asia that are spoken by about 386 million people. It is on par with Indo-European, Niger-Congo, Afroasiatic and Uralic as one of the...

 family. They are spoken on Babuyan Island

Babuyan Islands

The Babuyan Islands form an archipelago located in the Luzon Strait north of Luzon island in the Philippines. It is separated from Luzon by the Babuyan Channel and from the Batanes Islands to its north by the Balintang Channel....

, just north of Luzon; three of the Batanes Islands, between the Philippines and Taiwan; and on Orchid Island

Orchid Island

Orchid Island is a 45-km² volcanic island off the southeastern coast of Taiwan island and separated from the Batanes of the Philippines by the Bashi Channel of the Luzon Strait. It is governed as Lanyu Township of Taitung County...

 off southern Taiwan.

The varieties in the Philippines are called Ivatan

Ivatan language

The Ivatan language, also known as Ibatan or Chirin nu Ibatan , is an Austronesian language spoken exclusively in the Batanes Islands...

 (also spelled Ibatan), or are named Babuyan, Batan, or Itbayat after their islands, while the variety of Taiwan is called Yami or Tao. However, linguistically Yami is a variety of Ivatan. A 2008 analysis of the Austronesian Basic Vocabulary Database determined the relationships between the varieties to be as follows: