Phra Nakhon Si Ayutthaya province

Phra Nakhon Si Ayutthaya, or locally and simply Ayutthaya (historically Iudea, Iudiad, Iudia, Juthia or Judia), is one of the central provinces (changwat) of Thailand. Neighboring provinces are (from north clockwise) Ang Thong, Lopburi, Saraburi, Pathum Thani, Nonthaburi, Nakhon Pathom and Suphan Buri.