Kollam city is bordered by the panchayaths of Neendakara and Thrikkadavoor to the north, Mayyanad to the south, Thrikkovilvattom and Kottamkara to the east and Arabian sea to the west. Ashtamudi lake is in the heart of the city. The city is about 63 km away from Pathanamthitta, 82 km from Alappuzha, 71 km from Thiruvananthapuram, 142 km fromKochi, 350 km from Kozhikode and 226 km from Thrissur.
Two major rivers in the district are Kallada and Ithikkara. Kallada river empties into Ashtamudi lake while Ithikkara river to Paravur kayal. Jadayuppara, Palaruvi waterfalls are also important geographical attractions of the kollam district
