The NMSP is reclaiming part of Old Mon State known in history as Rehmonnya or Hongsawatoi or Pegu comprising of five districts, namely, Mergui, Tavoy, Moulmein and Thaton districts in the Tenasserim division and Pegu district in Pegu Division as Mon State. The old Monland in Burma covers thress Divisions, namely, Tenasserim, Pegu and Irrawaddy Divisions stretching over the whole of Lower Burma.