In the city of Sultanpur Lodhi, Punjab, stands Gurudwara Ber Sahib, a significant site where Sri Guru Nanak Dev Ji resided for a considerable period. Sultanpur Lodhi holds historical importance as the place where Guru Nanak Dev Ji married Bibi Sulakhani and where their two sons, Sri Chand and Lakshmi Das, were born in 1494 AD and 1497 AD respectively.