The province comprises 16 amphoe:- Ban Phraek; Bang Ban; Bang Pa-in; Bang Pahan; Bang Sai (1404 - ??????); Bang Sai (1413 - ???????); Lat Bua Luang; Maha Rat; Nakhon Luang; Phachi; Phak Hai; Phra Nakhon Si Ayutthaya; Sena; Tha Ruea; Uthai; Wang Noi.
Cities
Ayutthaya - (Phra Nakhon Si Ayutthaya - ???????????????) is the provincial capital.