Dhaka is home to over 2000 buildings built between the 16th and 19th centuries, which form an integral part of Dhaka's cultural heritage. Examples include Lalbagh Fort, Ahsan Manzil, Tara Mosque, Chawk Mosque, Hussaini Dalan, Armenian Church, Dhaka Gate, Dhanmondi Shahi Eidgah, Rose Garden Palace, Choto Katra, Bara Katra, Dhakeshwari Temple, Swami Bagh Temple, Ramna Kali Mandir, Dharmarajika Buddhist Monastery, Holy Rosary Church, and Pogose School. There are still many colonial buildings in the Dhaka Sadarghat, Armanitola, and Farashganj areas of Old Dhaka. Binat Bibi Mosque was built in 1454 in the Narinda area of Dhaka during the reign of the Sultan of Bengal, Nasiruddin Mahmud Shah (r. 1435 – 1459), and is the oldest brick structure that still exists in the city. Important landmark buildings constructed during British rule include the Old High Court Building, Bangabhaban, Curzon Hall and Mitford Hospital.