The Indian city of Thiruvananthapuram is located in Thiruvananthapuram district in the state of Kerala. The city is located at on the west coast, near the southern tip of mainland India. The city situated on the west coast of India, and is bounded by Arabian Sea to its west and the Western Ghats to its east. The city and the suburbs spans an area of . The average elevation of the city is 16 ft above sea level. The highest point within the city limits is the observatory. () Agastya Mala, which has an elevation of is only about 60 km from the city. The Ponmudi hill station which has an elevation of is also near the city.