Nakhon Phanomball is a provinceball of Thailandball. It lies in Upper North Eastern Thailandball. It borders Mukdahanball, Sakon Nakhonball, and Bueng Kanball, all of which are Thai provinces (changwat). It also borders Khammouanball, a province (khaet) of Laosball, in which it also has a friendship bridge.
The name 'Nakhon Phanom' means city of mountains in Thai, a title given by King Rama I. However, there are no mountains in the province, with the province mainly plains in the Mekong River Valley, but in the city of Thakhekball, across the Mekong River in Laosball, there are limestone mountains, which can be seen clearly from the province's capital.