Old Delhi is a walled part of New Delhi, founded by Mughal Emperor Shah Jahan in 1639 and originally named Shahjahanabad. It remained the capital of the Mughals until the end of the Mughal dynasty and was later rechristened Old Delhi by the British. It offers spectacular pieces of architecture, a mouthwatering variety of food, and a living, breathing piece of history. 

New Delhi is an urban district located in the city of Delhi. New Delhi serves as the capital of India and the seat of all three branches of the Government of India. The foundation stone of New Delhi was laid by Emperor George V during the Delhi Durbar of 1911. 

The Delhi Metro is a rapid transit system serving Delhi and its satellite cities of Ghaziabad, Faridabad, Gurgaon, Noida, Bahadurgarh and Ballabhgarh, in the National Capital Region of India. It is by far the largest and busiest metro in India, and second oldest after the Kolkata Metro 

Delhi has no specific food culture. Food culture in Delhi is a mixture of North Indian food, Cuisines, Punjabi food and tasty street food. It also includes a variety of cuisines from different parts of India. Delhi is a hot spot for Continental, Thai, Mexican and Chinese food as well.