Map of Piro, India

Piro is a city in Bihar, India, with a population of about 33,785. It lies at 25.3322°N, 84.4045°E. Piro is about 801 km (497 mi) southeast of New Delhi, the capital. The nearest city on our map is Bikramganj, 20 km to the southwest.

Piro at a glance

Where is Piro?

• Located in the Northern and Eastern hemispheres.
• Daylight ranges from about 10 h 33 min on the shortest day to 13 h 43 min on the longest day (around 21 December and 21 June).

Cities near Piro

• Bikramganj — 20 km southwest
• Daudnagar — 33 km south
• Dumraon — 35 km northwest
• Arrah — 36 km northeast
• Buxar — 50 km northwest
• Dehri — 53 km southwest
• Revelganj — 56 km northeast
• Maner — 59 km northeast
• Jahānābād — 60 km east
• Chāpra — 61 km northeast

Largest cities in Bihar

• Patna — 1,684,297
• Gaya — 474,093
• Bhāgalpur — 400,146
• Muzaffarpur — 354,462
• Bihār Sharīf — 297,268
• Darbhanga — 296,039
• Purnia — 282,248
• Arrah — 261,430
• Begusarai — 252,008
• Katihar — 240,838

Largest cities in India

• Mumbai — 12,691,836
• Delhi — 11,034,555
• Bengaluru — 8,495,492
• Hyderābād — 6,993,262
• Ahmedabad — 6,357,693
• Chennai — 4,681,087
• Kolkata — 4,631,392
• Surat — 4,591,246
• Pune — 3,124,458
• Jaipur — 3,046,163

Map of India and all its cities →

Sources: place names, coordinates, populations and time zones from GeoNames (CC BY 4.0, data retrieved October 2026). Population figures are the latest values recorded in GeoNames; depending on the country they refer to the city proper, a municipality or a wider urban area, so they can differ from census or metro-area figures. Map © OpenStreetMap contributors.