Location & Geographic Position
- Coordinates: $8.6052^\circ\text{ N}, 77.0030^\circ\text{ E}$
- District & State: Thiruvananthapuram District, Kerala, India
- Distance to Capital: Situated approximately 18 km northeast of Thiruvananthapuram city centre.
- Geographical Region: Positioned in Kerala's Midland Region (Idanadu), acting as a transitional corridor between the coastal lowlands to the west and the Western Ghats high-ranges to the east.
Area & Administrative Divisions
- Total Area: $32.52\text{ km}^2$
- Administrative Status: Class Grade-A Municipality serving as the headquarters for both Nedumangad Taluk and the Nedumangad Revenue Division.
- Wards: Divided into 39 electoral wards.
Topography & Terrain
- Elevation: Average elevation of around 68 metres above sea level, with undulating terrain spanning low points around $31\text{ m}$ up to isolated hillocks reaching $289\text{ m}$.
- Terrain Type: Characterized by hilly midlands (Kunnum Parambum), small valleys, and agricultural basins.
- Drainage & Hydrology: Lies within the Killi River (Killiyar) catchment area, a major tributary of the Karamana River that flows through the heart of the municipality. The nearby Aruvikkara Reservoir on the Karamana River acts as a key hydrological feature bordering the southern region.
Municipal Boundaries
| Direction | Neighboring Administrative Regions |
|---|---|
| North | Anad Grama Panchayat |
| South | Karakulam and Aruvikkara Grama Panchayats |
| East | Uzhamalakkal, Vellanad, and Tholicode Grama Panchayats |
| West | Vembayam Grama Panchayat |
Transportation & Spatial Connectivity
- Road Connectivity: Intersected by major arterial routes, notably the SH 2 (Thiruvananthapuram–Shenkottai Road), which links the state capital with Tamil Nadu via the Aryankavu Pass, and the route leading north toward the Agasthyarkoodam/Ponmudi hill stations.
- Nearest Airport: Trivandrum International Airport (TRV), approximately $22\text{ km}$ southwest.
- Nearest Railway Hub: Thiruvananthapuram Central (TVC), roughly $18\text{ km}$ south.