Saidapet, also known as Saidai, is a neighbourhood in Chennai, India, situated in the northern banks of the Adyar River and serves as an entry point to Central Chennai. It is surrounded by West Mambalam in the North, C.I.T Nagar in the North-East, Nandanam in the East, Guindy in the South, Jafferkhanpet and Ashok Nagar in the North-West. The Saidapet Court, the only other court of judicature in Chennai city apart from the Madras High Court, and the Saidapet bus depot are located here. Prior to its incorporation in Madras city, Saidapet functioned as the administrative headquarters of Chingleput district. The neighbourhood is served by Saidapet railway station of the Chennai Suburban Railway Network.

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.