Red Fort is a historic fort located in the heart of Delhi, India. It is also known as Lal Qila in Hindi. The fort was built by Mughal Emperor Shah Jahan in the 17th century and served as the residence of the Mughal Emperors until 1857.

The Red Fort is made of red sandstone and is spread over an area of 254.67 acres. The fort has two main entrances – the Lahore Gate and the Delhi Gate. The Lahore Gate is the main entrance and is located on the west side of the fort. The Delhi Gate is located on the south side of the fort.

The fort has several buildings and structures inside its walls, including the Diwan-i-Aam, the Diwan-i-Khas, the Rang Mahal, the Moti Masjid, and the Hayat Bakhsh Bagh. The Diwan-i-Aam was used for public audiences, while the Diwan-i-Khas was used for private audiences. The Rang Mahal was the residence of the emperor's wives and mistresses. The Moti Masjid is a mosque located inside the fort and was used by the emperors for their private prayers. The Hayat Bakhsh Bagh is a garden located inside the fort and was used for the emperor's leisure activities.

The Red Fort is also known for its sound and light show, which depicts the history of the fort and the Mughal era. The show is held every evening and is a major attraction for tourists visiting Delhi.

The Red Fort was declared a UNESCO World Heritage Site in 2007. It is one of the most visited tourist destinations in India and attracts millions of tourists every year.