Phra Nakhon is one of the 50 districts (khet) of Bangkok, Thailand. It is the central district of Bangkok, including Rattanakosin Island. Neighboring districts are, from the north, clockwise: Dusit, Pom Prap Sattru Phai, Samphanthawong, and across the Chao Phraya River, Thon Buri, Bangkok Yai, Bangkok Noi, and Bang Phlat.