Pak Kret in the Nonthaburi Province, Thailand. It lies in the Central Thai plains on the eastern bank of the lower Chao Phraya River, bordering Bangkok to the East, Nonthaburi City to the south and Pathum Thani Province to the north. It is part of continuous urban development of the Bangkok Metropolitan Region. With a registered population of 178,907, Pak Kret is the third most populous city (Nakon) in Thailand.