Kampong Cham is the capital city of the Kampong Cham Province in eastern Cambodia. It is the third largest city in Cambodia with a population of 63,771 people (2006) and is located on the Mekong River. Kampong Cham is 124 kilometers northeast from Phnom Penh and can be reached by either boat or by road. It takes about 2.5 hours by vehicle or 2.5 hours by boat from Phnom Penh to the city of Kampong Cham.
Kampong means "the side of a river or any other water body" with Cham meaning Cham ethnicity of Champa. A similar Malay word "Kampung" means "village."
Information based on http://en.wikipedia.org/wiki/Oudong