Phra Nakhon is one of the 50 districts or khet of Bangkok. It is the most central district of the city. Phra Nakhon district is where Rattanakosin is located. The district is adjacent to Dusit, Pom Prap Sattru Phai and Samphanthawong districts, with the Chao Phraya River bordering it to the west, Khlong Phadung Krung Kasem canal to the north, Ratchadamnoen road and Khlong Ong Ang canal to the east.