Gadhinglaj is a city in India in the Kolhapur district in the southwest corner of the state of Maharashtra, India. Gadhinglaj is situated on the banks of the Hiranyakeshi river, which originates in the Amboli Ghats mountains. It is located at the border between Maharashtra and Karnataka. Maharashtra State Highway 134 passes through the city. Gadinglaj is the headquarters of South Kolhapur and a sub-district of the Kolhapur District. It is the largest city in South Kolhapur and has enough area and population to be deemed a district. The city is at an average elevation of 623 metres (2,044 ft).