Ban Chao Phraya Wichayen

Ban Chao Phraya Wichayen is a 17th-century historic residence in Tha Hin, Mueang Lopburi, Lopburi Province. Built during King Narai's reign as the residence of Constantine Phaulkon, the Greek advisor who became Chao Phraya Wichayen, it served as a reception hall for foreign envoys. The compound features European-influenced brick ruins, arched windows, a chapel and gardens, reflecting Ayutthaya-era international relations and architecture.

Visitors can expect a compact archaeological compound of brick ruins set in landscaped gardens in central Lopburi. The site includes the remains of a two-storey European-style residence with arched doors and windows, a former Catholic chapel, reception halls and boundary walls. Information boards explain the layout and history. The grounds are open and walkable, suitable for sightseeing and photography, with views of historic architecture and quiet garden surroundings near the old town.

Built in the 17th century during the reign of King Narai of Ayutthaya (r. 1656-1688) as the residence of Constantine Phaulkon, a Greek adventurer who rose to become Chao Phraya Wichayen, a high-ranking advisor. The house served as a residence and official reception hall for foreign envoys, including French embassies, reflecting Ayutthaya's extensive diplomatic and trade relations with Europe. The architecture shows European influence adapted to local construction.

The site represents the cultural exchange between Ayutthaya Siam and Europe in the 17th century and illustrates the European-influenced architectural style introduced during King Narai's reign. It is an important archaeological and educational site managed as part of Lopburi's historic heritage, demonstrating the cosmopolitan character of Lopburi when it served as King Narai's second capital.