Kollam is a port city in Kerala with the Laccadive Sea to its west. The ground elevation is 3m. The Ashtamudi Lake occupies the heart of the city. River Kallada empties into this lake. Ithikkara River is also a major one in this city.
The climate of Kollam is not very extreme. The summers and winters do not show much variation in temperatures. The precipitation during monsoon season is very high.
About 56km away is the Trivandrum International Airport, which serves the city. There are daily flight services to Indian cities like Delhi, Mumbai and Chennai while the flights to international locations cater mainly to Middle East and Southeast Asia.
Kollam Junction is an important station of Kerala which has a good frequency of express and passenger trains. NH66 serves the city with outside roadways traffic, linking it to other major cities of Kerala. Regular state-owned and private bus services make interstate runs to and from Kollam.