Ratnanagar Municipality is located in the Central Development Region of Nepal bordering with the third tourism destination of Nepal, Chitwan National Park and also recognized one of the suitable regions for habitation. Since East-West Highway (Mahendra Highway) intersects the Municipality, it is easy to outreach every region within the municipality. Ratnanagar Municipality was formed by merging Ratnanagar VDC and Panchakanya VDC in 2053/10/11 B.S. In 2071/8/16 B.S. two more VDCs, Pithuwa VDC and Bachhyauli VDC were added under the decision of Nepal Government. Ratnanagar is enriched with abundant fertile agricultural land, the forest of Barandaabhaar region, rare wild animals and birds along with wetland.