Quick answer
All villages in Narainpur Block (panchayat-wise list): 212 in total. Each entry links to the gram panchayat it belongs to, and the list is built from open government data.
Adhwar
Adhwar (अधवार), Chiraiya, Lalpur
Agarsand
Agarsand (अगरसण्ड), Rampur
Alhuwa
Aluha, Durbasa
Amdaha
Amdaha (अमदहां)
Baghedi
Baghera, Bagheri, Manikpur
Baghi
Bagahi (बगही)
Baikunthpur
Baikunthpur (बैकुंठपुर)
Ballipur
Ballipur (बल्लीपुर), Chak Gambhira, Gosaipur, Kanauha, Kanvahi, Ruhelapur
Bangla
Bangla (बंगला)
Baradih
Baradih (वाराडीह), Chit Bish Ram, Kudaran
Bareb
Barew, Chak Gaus, Chak Phauj
Barewan
Barewa, Bhadaawal (भदावल), Ghughulpur, Hazipur
Begpur
Begpur (बेगपुर)
Bela
Bela (बेला), Naugaraha, Ram Chak
Belwari
Belwari (बेलवारी)
Bhabhuaar
Bhabhuar (भभुआर)
Bhalwa
Bhalawa (भलवॉ), Koluha
Bharetha
Bharehata (भरेहठा)
Bhawanipur
Bhawanipur (भवानीपुर), Damoder Patti, Govindpur
Bhorahi
Bhaurahi (भोरही)
Bhormar Maphi
Bhormar Mafi (भोरमार माफी)
Bhudkuda
Bhurkura, Deonathpur
Bishesherpur
Bishesharpur Alias Sherpur, Sherpur, Wazid Patti
Darra
Bhopati, Darra (दर्रा)
Dayalpur
Dayalpur (दयालपुर), Lamawa, Mohammadpur
Devariya
Bhagautipur, Deoria
Devlasi
Deo Lasi, Hamidpur Mu. Shahpur, Kamalpur, Kamalpur Mu.Jaipatti
Dharammalpur
Dharammerpur
Dixitpur
Dikshitpur (दीक्षितपुर), Ruhelpur
Farhada
Chakalia, Farhada (फरहदा)
Fattepur
Fattepur (फत्तेपुर), Ramjipur
Firojpur
Chanda Surja, Firojpur (फिरोजपुर), Jamin English Kadawa, Jamin English Lalaipur, Kadawa, Lalaipur
Gaduri
Garauri (CT)
Gangpur
Gangpur (गांगपुर)
Gaura
Gaura (गौरा), Jamin English Gaura, Shilauri
Gaurahi
Gaurahi (गौरही)
Gharwaspur
Baruiya, Gharwaspur (घरवासपुर), Shikarpur
Ghasipur
Ghasipur (घासीपुर)
Ghatmpur
Barbakpur, Ghatampur (घाटमपुर)
Ghurhupur
Bairi Chak Mafi, Ghurahupur (घुरहूपुर), Kharkhasipur, Rajupur
Hasapur
Chak Madar, Hasapur (हांसापुर), Naithi Pachawa
Ibrahimpur
Ibrahimpur (इब्राहिमपुर)
Jagarnathpur
Jagarnathpur (जगरनाथपुर), Shivrajpur
Jalalpur Mafi
Chitrahan, Jalalpur Mafi (जलालपुर माफी), Keshavpur
Jalalpur Maidan
Jalalpur Maidan (जलालपुर मैदान)
Jamui
Jamui (जमुई), Sunderpur
Kailhat
Kailahat (कैलहट)
Karma
Asalatpur, Gopalpur, Karma (कर्मा), Roshanpur
Kashipur
Kashipur (काशीपुर)
Khajuraul
Bharuhia, Khajuraul (खजुरौल)
Khirauri
Asharphabad, Khirori Alias Asharphabad, Maigalpur
Kmalpur
Agapur, Bahadurpur, Hathera, Kamalpur Mu. Mathana, Meerapur
Kolna
Kolana (कोलना), Rukunpur, Shivpur
Kolund
Kolund (कोलउन्द)
Lijhri Kala
Araji Lijhari, Lijhari Kalan, Lijhari Khurd, Majhiyar
Mamolapur
Jamin English Shikarpur, Mamolapur (ममोलापुर), Noharipur
Mirapur
Mirapur (मीरापुर), Sonkhara
Mohiddinpur
Hatia, Kanhaipur, Moharpur, Moinuddinpur
Mujdih
Khemaipur, Mujdih (मूंजडीह)
Musepur
Bashupur, Mohamadabad, Musepur (मूसेपुर)
Nakahara
Nakahara (नकहरा)
Narayanpur
Narayanpur (नरायनपुर)
Nibi Deoria
Deoria, Nibi
Nijamuddinpur
Nizamuddinpur (निजामुद्दीनपुर), Shahpur Alias Hazipatti
Niyamatpur Kala
Niyamatpur Kalan
Niyamatpur Khurd
Chak Jhori, Niyamatpur Khurd (नियामतपुर खुर्द)
Pachegara
Pachegara (पंचेगडा)
Pachewara
Bisunpur, Pachewara (पचेवरा)
Parshurampur
Jaipatti Khurd, Kataka, Pershuram Pur (परशुरामपुर)
Pathraura
Kazipur, Pathraura (पथरौरा)
Pauni
Pauni (पौनी)
Pirallipur
Dugari, Kazia, Kharuddinpur (खैरुद्दीनपुर), Phulwari, Pirallipur (पिरल्लीपुर)
Pratappur
Partappur (प्रतापपुर)
Raipuria
Hazi Patti, Raipuria (रैपुरिया न0)
Raipuriya (Aibakpur Mohana)
Raipuria
Rajauli
Rajauli (रजौली)
Rampur
Jamin Enl khanjadipur (ज0ई0खानजादीपुर), Rampur (रामपुर)
Ramrai Pur
Chandapur, Ram Rai Pur (रामरायपुर)
Ranipur
Khundaka, Ranipur (रानीपुर), Rehia
Rasulpur
Chak Bahelia, Rasulpur (रसूलपुर)
Rupaudha
Persia, Rupaidha (रूपौंधा)
Sahaspura
Sahaspura (सहसपुरा)
Sajhauli
Sajhauli (सझौली)
Samadpur
Ahamadpur, Samadpur (समदपुर)
Samas Pur
Araji Dhaurahra Chaubey, Araji Dhaurahra Misir, Dhaurahra, Samaspur (समसपुर)
Saraiya Sikandarpur
Araji Militri, Araji Mu.Mohammadpur, Araji Saraiya Sikandarpur, Mohammadpur Urf Dayalpur, Saraiya Sikandarpur (सरैया सिकन्दरपुर)
Semra
Lathia, Semra (सेमरा), Sirsi
Shahpur Mu. Bhalwa
Chak Takiya, Shah Pur Mu. Bhalwa (शाहपुर मु0 भलवा)
Shivpur
Shivpur (शिवपुर)
Shreepur
Kharaka, Newada, Shripur (श्रीपुर)
Sikiya
Jairampur, Sikia (सिकिया)
Sonai
Sonai
Sukulpur
Manikpur, Meerapur, Sukul Pura (शुकुलपुरा)
Tedhuwa
Parora, Terhua
Tiyara
Chak Jhagrua, Chandpur, Tiyara (तियरा)
Verjiwanpur
Barjiwanpur