One of the Six Provinces of Southern Vietnam Hà Tiên (Vietnamese: tỉnh Hà Tiên; chữ Hán: 河僊) was a former province of South Vietnam originally formed in 1832 and disestablished in 1956.
In 18 century, a small town "Hà Tiên" was established by Mo Jiu (Mạc Cửu), whom was a Chinese emigrant.
[1] It was variously spelled as Panday-mas (Khmer), Ponteamass (English), Phutthaimat (Thai: พุทไธมาศ) or Banthaimat (Thai: บันทายมาศ), Ponthiamas or Pontheaymas (French), Pontiano (Robert's Map, 1751), Panthai-mas, Bantaimas, Pontiamas, Pontaimas, Bantay-mas, Banteay M’eas, Pontiamas, Pontiamasse, Po-taimat, and infinite other variations.
[2] Mạc Cửu later switched allegiance to the Nguyễn lords of Vietnam.
In 1954, Long Châu Hà province was disestablished and divided into three provinces: Hà Tiên, Châu Đốc, Long Xuyên.