VadamarachchiVadamarachchi is one of the three historic regions of the Jaffna peninsula in northern Sri Lanka. The other two regions are Thenmarachchi and Valikamam. Alternative spellings include Vadamarachi, Vadamaraachi or Vadamaraadchi.EtymologyVadamarachchi translates to "possession of northerners" or "rule of the northerners" in English. It is derived from the Tamil words vadamar/ vada+maravar and achchi.