Rajong

Thence he sailed to Rajong, strengthened his small force with volunteers in great numbers, marched against Chantaboon, whose governor had disputed his authority, and executed that indiscreet official; levied another large army; built and equipped a hundred vessels of war; and set sail -- a part of his army preceding him overland -- for Kankhoa, on the confines of Cochin China, which place he brought to terms in less than three hours.

The English Governess at the Siamese Court Being Recollections of Six Years in the Royal Palace at Bangkok Anna Harriette Leonowens 1874

Thence he sailed to Rajong, strengthened his small force with volunteers in great numbers, marched against Chantaboon, whose governor had disputed his authority, and executed that indiscreet official; levied another large army; built and equipped a hundred vessels of war; and set sail ” a part of his army preceding him overland ” for Kankhoa, on the confines of Cochin China, which place he brought to terms in less than three hours.

The English Governess at the Siamese Court Leonowens, Anna H 1870