Surajgarha is one of seven blocks in Lakhisarai district of Bihar consisting of 117 villages.

It lies on the banks of the Ganges River and is 17 km north-east of Lakhisarai. Kajra Railway Station is the nearest major railhead. This is a small town located 32 km from Munger and 16 km from Lakhisarai, on NH-33.

In religious context, Surajgarha was also an important place for Shaiva sect. One beautiful Shiv Mandir was there and large number of people gathered there for worship of Lord Shiva with religious devotion.

Surajgarha Block Population, Caste, Religion Data - Lakhisarai district, Bihar. Surajgarha Block of Lakhisarai district has a total population of 290,998 as per the Census 2011. Out of which 154,509 are males while 136,489 are females.

The weather here is of extreme type. Summer temperature stays at 40-45 C in day and Winters may see a drop till 5C. Heavy downpour is also experienced. The annual rainfall is 130 cm mainly in monsoons and winters due to Western Disturbances.