Kariavattom is around 14 km north of Thiruvananthapuram city on NH 47 in between Pangappara and Kazhakuttam. Kariavattom is 3 km from Sreekariyam and 3.5 km from Kaniyapuram.

The prominent landmarks in Kariavattom are the Government College, University College of Engineering, Kerala University Campus and Lakshmibai National College Of Physical Education. Technopark, the IT hub of Kerala, is near to Kariavattom.