SYNONYMS

Kalinga, Utkal, Utkalraata, Udra, Odra, Odrabisha, Oda, Odrarashtra, Trikalinga, Koshala, Kangoda, Toshali, Chedi and Matsa
http://orissamatters.com/2008/06/11/orissa-in-peril/
Udisa is derived from the word Udra Desa or Uddiyana. King Indrabhuti of Uddiyan of 8th century, founder of Vajrayana, the Uddiyana Tantra, was the first to have propitiated Gurudev Buddha as Jagannatha in his canon Jnana Siddhi following which the cult of Jagannatha has evolved.