Kam Muang is a Lao word which translates to "the city of the lord" in English. However, there are several synonyms to this word in different dialects and languages. In Thailand, Kam Muang is also known as "Nakhon Sawan," which means "heavenly city." In Northern Thailand, Kam Muang is referred to as "Muang Nga," while the people of Laos call it "Muang Xay." The word "Muang," which means "city," is commonly used to replace the term Kam Muang in many dialects. In conclusion, Kam Muang has several synonyms, including Muang Nga, Nakhon Sawan, and Muang Xay, among others.