Phra Nakhon Si Ayutthaya

Phra Nakhon Si Ayutthaya (or Ayutthaya, , ) 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. Toponymy The name Ayutthaya derives from the Sanskrit word Ayodhyā, found in the Ramayana, which means "the invincible [city]". Grammatically, this word is composed of the morphemes a- 'not' + yodhya 'defeatable' (from the root yudh- 'to fight') + ā, a feminine suffix. Geography Phra Nakhon Si Ayutthaya, covering , is on the flat river plain of the Chao Phraya River valley. The presence of the Lopburi and Pa Sak rivers makes the province a major rice farming area. The total forest area is or 0.02 per mille of provincial area. Economy Honda has an automobile factory in the province. Honda produces hybrid electric vehicles (HEVs) and batteries for electric vehicles there, and at its factory in Prachin Buri. Honda's Ayutthaya factory has an annual capacity of 300,000 units.