Pho Yen is a district (huyện)

Districts of Vietnam

||The provinces of Vietnam are divided into counties , provincial cities , and county-level towns .The centrally-controlled municipalities are subdivided into rural counties , county-level towns , and urban districts , which then subdivided into wards ....

 of Thai Nguyen Province

Thai Nguyen Province

Thái Nguyên is a province in northeastern Vietnam. It is a mountainous, midland province with natural area of 3534.45 square kilometres and a population of 1,149,100 people as of 2008...

 in the northeastern

Dong Bac

The Northeast is the region at the north of the Red River Delta, Vietnam. Northeast called to distinguish them from the Northwest, but it's actually in the north and northeast of Hanoi, wider than Việt Bắc. The northeast is one of three sub-regions of northern Vietnam...

 region of Vietnam

Vietnam

Vietnam – sometimes spelled Viet Nam , officially the Socialist Republic of Vietnam – is the easternmost country on the Indochina Peninsula in Southeast Asia. It is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, and the South China Sea –...

.

As of 2003 the district had a population of 135,711. The district covers an area of 257 km². The district capital lies at Bai Bong.

Administrative divisions

Ba Hàng, Bãi Bông, Bắc Sơn, Đắc Sơn, Đông Cao, Đồng Tiến, Hồng Tiến, Minh Đức, Nam Tiến, Phúc Thuận, Phúc Tân, Tân Hương, Tân Phú, Thành Công, Tiên Phong, Thuận Thành, Trung Thành, Vạn Phái