Mumbai, formerly known as Bombay, is the capital city of the Indian state of Maharashtra. Here are some key details about Mumbai:

• Location: Mumbai is located on the west coast of India, on the Arabian Sea. It is approximately 1,140 kilometers (710 miles) south of Delhi and 1,500 kilometers (930 miles) southwest of Kolkata.
• Population: As of the most recent data, the population of Mumbai is estimated to be around 20 million people, making it the most populous city in India and the seventh most populous city in the world.
• Climate: Mumbai has a tropical climate, with hot and humid weather year-round. The average temperature ranges from around 25°C (77°F) in January to around 30°C (86°F) in May.
• Economy: Mumbai is the financial, commercial, and entertainment capital of India. It is home to the Bombay Stock Exchange, the Reserve Bank of India, and many multinational corporations. Key industries include finance, IT, entertainment, and manufacturing.
• Transportation: Mumbai has a well-developed transportation network, including buses, trains, and taxis. The city is also served by Chhatrapati Shivaji Maharaj International Airport, which is one of the busiest airports in India.
• Culture and Attractions: Mumbai has a rich cultural heritage and is known for its historic landmarks, vibrant arts scene, and lively street life. Some popular attractions include the Gateway of India, Chhatrapati Shivaji Maharaj Vastu Sangrahalaya (formerly known as the Prince of Wales Museum), and Marine Drive.
• Language and Culture: Marathi is the official language of Maharashtra, but Mumbai is a diverse city with many different ethnic groups and languages. The city has a rich cultural mix, with influences from various regions of India and beyond.
• Cuisine: Mumbai is known for its diverse and flavorful cuisine, which includes a mix of traditional Maharashtrian dishes as well as international cuisines. Some popular dishes include vada pav (a type of street food), pav bhaji (a spicy vegetable curry), and pani puri (a crispy shell filled with flavored water).
• Education: Mumbai is home to several prestigious educational institutions, including the University of Mumbai and the Indian Institute of Technology Bombay. The city also has a number of public and private schools, offering education from preschool to high school.
• Safety: Mumbai is generally considered to be a safe city for tourists and residents alike, with a relatively low crime rate compared to other major cities in India. However, it's always a good idea to take common-sense precautions, such as avoiding isolated areas at night and not flashing valuables in public.