Pak Kret is a city in the northeastern part of Nonthaburi province, central Thailand. It lies in the Central Thai plains on the east bank of the lower Chao Phraya River. With a registered population of 178,907, Pak Kret is the third most populous city (nakon) in Thailand. Muang Thong Thani is the largest housing estate in Pak Kret. It is the site of Sukhothai Thammathirat Open University and Impact, Muang Thong Thani, a large exhibition centre complex. Srinagarindra Park and the CentralPlaza Chaengwattana shopping centre are also within the city.