Siraha Municipality lies in Siraha District in the Eastern Terai Region. Geographically, it lies between 25 degrees, 35 minutes, and 18 seconds North to 26 degrees, 42 minutes, and 53 seconds North, and 86 degrees, 8 minutes, 47 seconds East to 86 degrees, 16 minutes, and 17 seconds East. The total area of Siraha Municipality is 94.2 sq.km. and it lies nearly 100 m above the sea level.

Siraha Municipality is also the headquarters of Siraha District. It has a total of 22 wards. During the local level restructuring of 2073 B.S., the Siraha Municipality was formed by combining Siraha Municipality, Lagadigadiyani VDC, Lachminiya VDC, Sanhaitha VDC, Lagadigoth VDC, and Hakpara VDC. Siraha Municipality also falls as no. 3 election area for the Parliamentary election and under  the clause 3 (b) for the State Assembly. This neighbouring municipality/rural municipality are Aurahi Rural Municipality and Arnama Rural Municipality in the East,  Dhanusha District in the West, Kalyanpur Municipality and Bishnupur Municipality in the North, and India in the South.

According to history, the origin of the name "Siraha" has a different stories and myths. According to one of the famous stories, many years ago, there was a King named "Sahlesh", who was a very humble and idealistic person. He was a philanthrophist and helped anyone in need. So, the businessmen who came from India named this place as "सहारा" (pronunciation: Sahara) which translates to "help" or "support" in English. The word "Sahara" then slowly got transformed to "Siraha". Similarly, another story mentions that this place was a dense forest, and thus, a lot of roots. So, using the local word for roots i.e.  "शिर" (Pronounced as "Shir"), the name "Siraha " came into existence after being transformed from "Shir" to "Shira" and then to "Siraha".

Another interesting aspect about Siraha is that it is the home to Nepal's second school, which was established as "Chandra Middle School" in 1972 B.S.(1955 AD) by the then Rana Prime Minister Chandra Shumsher Rana. The school has been giving quality education to students till date under the name of "Chandra Madhyamik (Prabidhik) Bidhyala".

Click here to view the Demographic Data of Siraha Municipality.