Mangalore, officially known as Mangaluru, is a major industrial port city in the Indian state of Karnataka and on the west coast of India. It is located between the Laccadive Sea and the Western Ghats about 352 km (219 mi) west of Bangalore, the state capital, 14 km north of Karnataka–Kerala border and 297 km south of Goa. Mangalore is the state's only city to have all four modes of transport—air, road, rail and sea. The population of the urban agglomeration was 619,664 according to the 2011 national census of India. It is known for being one of the locations of the Indian strategic petroleum reserves.

The Laccadive Sea, also known as the Lakshadweep Sea, is a body of water bordering India, the Maldives, and Sri Lanka. It is located to the southwest of Karnataka, to the west of Kerala and to the south of Tamil Nadu. This warm sea has a stable water temperature through the year and is rich in marine life, the Gulf of Mannar alone hosting about 3,600 species. Mangaluru, Kasaragod, Kannur, Kozhikode, Ponnani, Kochi, Alappuzha, Kollam, Thiruvananthapuram, Tuticorin, Colombo, and Malé are the major cities on the shore of the Laccadive Sea. Kanyakumari, the southernmost tip of peninsular India, also borders this sea.