Takht Sri Harimandir Ji, also known as Patna Sahib, is one of the five Takhts (thrones or seats of authority) in Sikhism. It holds great religious significance for Sikhs as it is associated with the birthplace of Guru Gobind Singh, the tenth Guru of Sikhism. Here are some key facts about Takht Sri Harimandir Ji Patna Sahib:

1. Location: Takht Sri Harimandir Ji is located in the city of Patna, the capital of Bihar, India. The complex is situated near the banks of the Ganges River.

2. Birthplace of Guru Gobind Singh: Guru Gobind Singh, the tenth Sikh Guru, was born at this location on December 22, 1666, in the house of Guru Tegh Bahadur, the ninth Guru of Sikhism.

3. Construction of the Takht: The Takht was constructed to commemorate the birthplace of Guru Gobind Singh. It is believed that the original house where Guru Gobind Singh was born was converted into a Gurdwara, and the present structure was later built around it.

4. Takht Sri Harimandir Ji: The term "Takht" means throne or seat, and it signifies a place of authority and religious prominence. Takht Sri Harimandir Ji is one of the five Takhts, which are considered the highest seats of authority in Sikhism.

5. Architecture: The Gurdwara complex reflects traditional Sikh architecture. The main building is adorned with white marble, and the Gurdwara is surrounded by a sarovar (sacred pool) known as Gobind Ghat.

6. Prakash Utsav: Guru Gobind Singh's birth anniversary is celebrated as Prakash Utsav at Takht Sri Harimandir Ji Patna Sahib. The celebration attracts a large number of devotees and pilgrims.

7. Gurdwara Bal Leela: Within the complex, there is a Gurdwara called Bal Leela, which marks the place where Guru Gobind Singh is believed to have played as a child.

8. Gurdwara Handi Sahib: Another Gurdwara within the complex is Gurdwara Handi Sahib, which commemorates the event of Guru Gobind Singh being given sweetened yogurt (kheer) by a devotee.

9. Takht Management: The management and administration of Takht Sri Harimandir Ji Patna Sahib are overseen by the Shiromani Gurdwara Parbandhak Committee (SGPC), a central organization that manages Sikh religious institutions.

10. Nanakshahi Calendar: Takht Sri Harimandir Ji Patna Sahib follows the Nanakshahi calendar, which is a solar-based calendar introduced by the SGPC in 2003.

11. Community Kitchen (Langar): Like other Sikh Gurdwaras, Takht Sri Harimandir Ji Patna Sahib serves free meals (langar) to all visitors, irrespective of their background.

12. Historical Importance: The Gurdwara holds historical significance as it is associated with the early life of Guru Gobind Singh and the events that shaped Sikh history.

Takht Sri Harimandir Ji Patna Sahib is a place of pilgrimage and reverence for Sikhs worldwide. Devotees visit the Gurdwara to pay their respects, seek blessings, and participate in the religious and cultural activities held at this sacred site.