| Nallavadu | |
| Settlement Type: | Village |
| Pushpin Map: | India Puducherry#India |
| Pushpin Map Caption: | Location in Puducherry, India |
| Coordinates: | 11.8579°N 79.8127°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Puducherry |
| Subdivision Type2: | District |
| Subdivision Name2: | Pondicherry |
| Subdivision Type3: | Taluk |
| Subdivision Name3: | Puducherry |
| Subdivision Type4: | Commune |
| Subdivision Name4: | Ariyankuppam |
| Unit Pref: | Metric |
| Population As Of: | 2001 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | French, Tamil, English |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code Type: | PIN |
| Postal Code: | 605 007 |
| Area Code Type: | Telephone code |
| Area Code: | 0413 |
| Registration Plate: | PY-01 |
| Blank1 Name Sec1: | Sex ratio |
| Blank1 Info Sec1: | 50% ♂/♀ |
Nallavadu is a village in Ariyankuppam Commune in the Union Territory of Puducherry, India. Part of the village lies in the Cuddalore district of Tamil Nadu, and is governed by Singirikudi village panchayat. It is by far the tiniest exclave of Tamil Nadu within Puducherry.
Nallavadu is bordered by Chunnambar river in the north, Bay of Bengal and Nallavadu(Tamil Nadu) in the east, Panithittu and Madalapet(Tamil Nadu) in the south, Pooranankuppam, Pillaiyarthittu and Andiarpalayam in the West. Nallavadu is surrounded by sea and back-waters and it is one of the beautiful small island in Puducherry.
Nallavadu has an average literacy rate of 80.51%, male literacy is 84.89%, and female literacy is 76.13%. In Nallavadu, 12% of the population is under 6 years of age. People here are well educated and spread across the globe. It has school, hospital, library, hotels, groceries shops & markets are available for people's daily routines.
Nallavadu is located at 2.2 km from Thavalakuppam on Thavalakuppam–Nallavadu Road. One can reach Thavalakuppam Koot Road by any local bus from Pondicherry to Bahoor, Madukarai and Karaiyanputtur running via Ariyankuppam or any route bus from Pondicherry to Cuddalore, Chidambaram and Karaikal running via ECR. From Thavalakuppam Koot Road, you have to walk 2.2 km towards east to reach Nallavadu. Auto rickshaws are available around the clock (24x7) at Thavalakuppam to reach Nallavadu. Nallavadu can also be reached directly by PRTC Bus (Route No. 14A) running between Pondicherry and Nallavadu.
Nallavadu is connected to Pondicherry by Thavalakuppam–Nallavadu Road. Alternate route Thavalakuppam–Poornankuppam-Pudukuppaam-Nallavadu
Arulmigu Angalamman Koil is one of the oldest temple in Nallavadu. Vellalan Kottai & Mayana Kollai of Angalaman koil are very famous here in this village.
Arulmigu Manonmani Amman Koil is one of the oldest temple in Nallavadu. Sedal & kavadi ursavam of Manonmani amman temple are very famous in this village.
Arulmigu Muthalamman Koil is one of the oldest temple in Nallavadu. Sedal ursavam & ther ottam of Muthalamman temple are very famous in this village.
Kutti aandavar kovil is one of the oldest temple and it is located in south border of Nallavadu. aadi thiruvizha is very famous in this village.
Nallavadu beach is very famous for virgin sandy beach in pondicherry. It is 2.5 km long and it is hard to find footpath on south side of the beach as no residents in those areas.
Nallavadu Fish Market is the very famous fish market in Pondicherry, people in this village go for fishing everyday and we can get fresh sea foods in this market all time.
Kailash Beach Resort located at 1km (01miles) from Nallavadu is one of the famous private beach resort in Puducherry.
Le Pondy Beach Resort located at 1.5km (00.9miles) from Nallavadu is one of the famous private beach resort in Puducherry.
Seagull/Paradise Beach located at 1.5km (00.9miles) from Nallavadu is one of the famous public beach resort in Puducherry.
Chunnambar Boat House is located at 2km (01miles) from Nallavadu is one of the famous public beach resort in Puducherry.
Nallavadu is part of Manavely assembly constituency, and forms part of Puducherry Lok Sabha constituency.