Sawantwadi is located at in the Sindhudurg district of Maharashtra. It has an average elevation of above mean sea level. It is the administrative headquarters of the Sindhudurg district. Sawantwadi is situated on the west coast of Maharashtra, India, and is bounded by the Arabian Sea to its west and the Western Ghats to its east. As a municipal entity, it spans an area of , and experiences moderate to gusty winds during the day and gentle winds at night. The topography of the city ranges from plain to undulating, with several hills, valleys and flat areas within the city. The geology of the city is characterised by hard laterite in hilly tracts and sandy soil along the seashore.