Maharashtra, a state spanning west-central India, is best known for its fast-paced capital, Mumbai (formerly Bombay). This sprawling metropolis is the seat of the Bollywood film industry. It also has sites like the British Raj-era Gateway of India monument and cave temples at Elephanta Island. To the south is the rustic, beach-lined Konkan Coast. In the city of Pune, Aga Khan Palace is a memorial to Mahatma Gandhi. Maharashtra is a state in the western region of India and is India's third-largest state by area and is also the world's second-most populous sub-national entity. It has over 112 million inhabitants and its capital, Mumbai, has a population of approximately 18 million. Nagpur is Maharashtra's second capital as well as winter capital. Maharashtra's business opportunities along with its potential to offer a higher standard of living attract migrants from all over India. Ancient and medieval Maharashtra included the empires of the Satavahana dynasty, Rashtrakuta dynasty, Western Chalukyas, Mughals and Marathas. Spread over 118,809 sq mi (307,710 km2), it is bordered by the Arabian Sea to the west and the Indian states of Karnataka, Telangana, Goa, Gujarat, Chhattisgarh, Madhya Pradesh and the Union territory of Dadra and Nagar Haveli. The major rivers of the state are Godavari, and Krishna. The Narmada and Tapi flow near the border between Maharashtra and Madhya Pradesh and Gujarat.. Maharashtra is the second most urbanised state in India. The state has several popular Hindu places of pilgrimage including Pandharpur, Dehu and Alandi. Other places that attract pilgrims from other parts of India and beyond include Hazur Sahib Gurudwara at Nanded, Sai Baba shrine at Shirdi and Dikshabhumi at Nagpur. Maharashtra is the wealthiest and one of the most developed state in India, contributing 25% of the country's industrial output and 23.2% of its GDP (2010–11). As of 2011, the state had a per capita income of ₹1.0035 lakh (US$1,500), more than the national average of ₹0.73 lakh (US$1,100). Its GDP per capita crossed the ₹1.20 lakh (US$1,800) threshold for the first time in 2013, making it one of the richest states in India. However, as of 2014, the GDP per capita reduced to ₹1.03 lakh (US$1,500) Agriculture and industries are the largest parts of the state's economy. Major industries include chemical products, electrical and non-electrical machinery, textiles, petroleum and allied products.