| Nagdah Balain | |
| Settlement Type: | Village |
| Pushpin Map: | India Bihar#India |
| Pushpin Label Position: | right |
| Pushpin Map Caption: | Location in Bihar, India |
| Coordinates: | 26.25°N 86°W |
| Subdivision Type: | Country |
| Subdivision Name: |  India |
| Subdivision Type1: | State |
| Subdivision Name1: | Bihar |
| Subdivision Type2: | District |
| Subdivision Name2: | Madhubani |
| Unit Pref: | Metric |
| Elevation M: | 56 |
| Population Total: | 8658 |
| Population As Of: | 2011 |
| Population Density Km2: | auto |
| Demographics Type1: | Languages |
| Demographics1 Title1: | Official |
| Demographics1 Info1: | Maithili, Hindi |
| Timezone1: | IST |
| Utc Offset1: | +5:30 |
| Postal Code: | 847222[1] |
| Area Code Type: | Telephone code |
| Area Code: | 06276 |
| Blank1 Name Sec1: | Sex ratio |
| Blank1 Info Sec1: | 1000/942 ♂/♀ |
| Blank2 Name Sec1: | Lok Sabha constituency |
| Blank2 Info Sec1: | Madhubani |
| Blank3 Name Sec1: | Vidhan Sabha constituency |
| Blank3 Info Sec1: | Madhubani, Bisfi |
| Iso Code: | IN-BR |
Nagdah Balain, also known simply as Nagdah, is located in Madhubani District, Bihar in India.
Nagdah is surrounded by four lakes, and is located three kilometers from Kapsiya, and two kilometers from Arer, Madhubani, Bihar. Nagdah's Pin Code is 847222.
Nagdah village contains the Durga Temple. The Durga Puja festival is a festival celebrated in Nagdah village in October and March, during which the "Natak" is played by local boys, at the direction of the senior residents of the village. Vidaya Pati Samroh is another celebration held in Nagdah.
This village is also known by the name of its great son Dr. Subhadra Jha (9 July 1909 - 13 May 2000) . He was a famous linguist cum polyglot(he knew more than 18 languages) and was Sahitya Academy Awardee for Maithili Literature. He was the first D.Litt in Bihar. Later he earned 2nd D.Lit from University of Paris. He was the first foreign invitee to visit Germany after WWII. He wrote several books and stories in different languages. Another famous person of this village is Shri Budhi Nath Jha known for his creation of Om Mahabharath which is first ever epic on Maithili literature.
Nagdah is located at .
The 3 most popular Durga temples in Madhubani are Raj Rajeshwari Mandir (in Dokhar), Bhagwati Temple (in Nagdah) and Maata Durga Mandir (in Uchaith).(Bharam Sathan in)Raja Mandal