Major Cities of South Asia: The Urban Giants of the Subcontinent

South Asia (India, Pakistan, Bangladesh, Nepal, Sri Lanka, Bhutan, Maldives, Afghanistan) hosts some of the world's largest and fastest-growing megacities. Key metropolitan areas (metro population estimates, ~2023–24):

India (The Core)

• Mumbai: 26M+ (finance, Bollywood, port)
• Delhi (NCR): 33M+ (capital, politics, services)
• Bengaluru: 14M+ (tech, aerospace, startups)
• Kolkata: 15M+ (culture, port, jute, tea)
• Chennai: 12M+ (auto, IT, healthcare, port)
• Hyderabad: 10M+ (pharma, IT, defense)
• Ahmedabad: 8.5M+ (textiles, pharma, finance)
• Pune: 7.5M+ (auto, IT, education)
• Surat: 7.5M+ (diamonds, textiles)

Pakistan

• Karachi: 20M+ (port, finance, industry, megaport)
• Lahore: 14M+ (culture, education, industry)
• Faisalabad: 3.5M+ (textiles)
• Rawalpindi/Islamabad: 5M+ (twin cities: military/admin + capital)

Bangladesh

• Dhaka: 23M+ (megacity, garments, rickshaws, density)
• Chittagong: 5M+ (port, industry)

Others

• Kathmandu, Nepal: 4M+ (valley conurbation)
• Colombo, Sri Lanka: 6M+ (port, finance, tourism)
• Yangon, Myanmar: 5M+ (former capital, port)
• Mandalay, Myanmar: 1.5M+ (cultural heart)
• Thimphu, Bhutan: 150K (capital)
• Malé, Maldives: 250K (ultra-dense capital island)
• Kabul, Afghanistan: 5M+ (capital, conflict-affected)

These cities drive >70% of regional GDP but face extreme challenges: water stress, air quality, housing deficits, transport chaos, climate vulnerability.