Thap Yai Chiang
Thap Yai Chiang is a subdistrict in the Phrom Phiram District of Phitsanulok Province, Thailand.
Geography
Thap Yai Chiang lies in the Nan Basin, which is part of the Chao Phraya Watershed.Administration
The following is a list of the subdistrict's muban, which roughly correspond to villages:| No. | English | Thai |
| 1 | Ban Sai Ngam | บ้านไทรงาม |
| 2 | Ban Si Charoen | บ้านศรีเจริญ |
| 3 | Ban Rai | บ้านไร่ |
| 4 | Ban Nong Makhang | บ้านหนองมะคัง |
| 5 | Ban Thap Yai Chiang | บ้านทับยายเชียง |
| 6 | Ban Ka Nam Sut | บ้านเขาน้ำสุด |