Ongkharak District

Ongkharak (Thai:องครักษ์) is a district (Amphoe) in the western part of Nakhon Nayok Province, central Thailand.

Ongkharak means the royal guard. Once King Chulalongkorn (Rama V) visited Mueang Nakhon Nayok. When he and his company arrived the area of Ongkharak district, one of the royal guard was sick and died finally. Then the king ordered to build a shrine to commemorate in the area.