Nakhon Pathom is one of the central provinces of Thailand. Neighbouring provinces are Suphan Buri, Ayutthaya, Nonthaburi, Bangkok, Samut Sakhon, Ratchaburi, and Kanchanaburi. The capital city of Nakhon Pathom province is Nakhon Pathom. Nakhon Pathom province is home to the Phra Pathommachedi, a chedi commissioned by King Mongkut and completed by King Chulalongkorn in 1870.