Located at an elevation of 240 feet in the inlands of the Bay of Bengal, Vizianagaram, with a total population of 2,28,000, has a literacy rate of 81 percent. Telugu is the most widely spoken language. The major rivers flowing through the district are Nagavali, Vegavathi, Gomukhi, Suvarnamukhi, Champavathi and Gosthani. As per the 2011 census, Vizianagaram district has a total population of 2.3 million and a literacy rate of almost 60 percent. 50 percent of the population is in the working age. Highest portion of the workers i.e. 67 percent are engaged in the agriculture sector in this well irrigated district, 2 percent are in the household industry and 31 percent work in industry and services. Amongst the industries, the region is known for the largest ferromanganese plant in India, for textiles, jute, general engineering, motor workshops, groundnut oil mills, rolling mills, aluminum utensils, sugar, cement, pharmaceuticals, sponge and iron industries. Historically, the region was part of the Kingdom of Eastern Chalukyas, Kalinga, Vijayanagar, Kakatiyas and Nizams before coming under the British. Interestingly, the Maharajah of Vizianagaram had funded the erection of an elaborate gothic fountain in 1867 at Marble Arch, London that was designed by Robert Keirle and remained in use till 1964.