Velachery is a suburban neighborhood in Chennai. It is located in the southern part of the city sharing borders with Guindy in the north, Taramani in the east, Perungudi in the south-east, Pallikaranai in the south, Madipakkam in south-west, Adambakkam in the west and north-west. It is the headquarters of Velachery taluk and straddles the boundary between Chennai and Kancheepuram districts.

Guindy is a neighborhood of Chennai, Tamil Nadu. The Kathipara junction where Anna Salai, Mount-Poonamallee Road, Inner Ring Road, 100 Feet Road or Jawaharlal Nehru Road, and GST Road meet here. It is one of the important nodal points of road traffic in the metropolitan area. It is also a commercial hub. Here is headquarters of Ashok Leyland This junction serves as the entry point to the city limits from the suburbs. It is surrounded by Saidapet in the North, Kotturpuram and Adyar towards the East, Velachery in the South, Adambakkam and Alandur in the South-West, Parangimalai in the West and Ekkatutthangal in the North-West. Guindy is home to many important landmarks in the city, the most famous amongst them being the Guindy National Park. It also serves as a main hub for several small and medium scale industries. Transportation to/from the neighborhood is catered by Guindy railway station and Guindy metro station.