Lao language

Kra–Dai language

Lao (ພາສາລາວ, phasa Lao; [pʰáː.sǎː láːw]), sometimes referred to as Laotian, is a Southwestern Tai language and the official language of Laos. It is also spoken in the Isan region of northeastern Thailand, where it is usually called the Isan language. The political split of the Lao-speaking population along the Mekong River resulted from the Franco-Siamese crisis of 1893.

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