| Piania | |
| Other Name: | पियनिया |
| Settlement Type: | Village |
| Pushpin Map: | India Bihar#India |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 25.4993°N 84.6459°W[1] |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | District |
| Subdivision Name2: | Bhojpur |
| Unit Pref: | Metric |
| Elevation M: | 74 |
| Population Total: | 7000 |
| Population As Of: | 2010 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Bhojpuri, Hindi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 802210 |
| Area Code Type: | Telephone code |
| Area Code: | 91-6337 |
| Registration Plate: | BR-03 |
Piania is a small village in Bhojpur district, Bihar in India. This village is situated on the bank of Arrah Canal which originates from Dehri on Sone (Sone river).[2] The connectivity to this village is by bus from Arrah. The distance between Arrah railway station and Piania is around 4 kilometre and population strength is around 7,000–10,000.
Pool: The canal bridge for road is termed as pool . On pool, there are several shops including a sweet-shop, general store, motor-mechanic, local-restaurant, and a physician.
Math (temple): This temple is almost 400 years old. The deities which could be found in this temple are Lord Rama, Laxmana, and Seeta along with Hanumaan, Shiva, Parvati. It also has charan-padukas of khadeshwar guru who renovated this temple some 100 years ago.