It was established by Pope Benedict XVI on 22 May 2010 by bifurcating the Diocese of Hakha and is suffragan to the Archdiocese of Mandalay.

It is bounded by the diocese of Myitkyina on the Northeast, Mandalay on the East and Hakha on the South.

There are 22 parishes grouped into 4 vicariates or zones namely – Kalay, Khampat, Tiddim and Tonzang.

It is mainly inhabited by the Zomi ethnic groups who are also known as Chin.

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