Nawab Wajid Ali Shah Prani Udyan earlier known as Prince of Wales Zoological Gardens or popularly known as Lucknow Zoological Garden is a 71.6-acre (29.0 ha) zoo located in the heart of the capital city of Uttar Pradesh named after Wajid Ali Shah- the last Nawab of Awadh. The Central Zoo Authority of India categorizes it as a large zoo. The Prince of Wales Zoological Gardens, was established in the year 1921 to commemorate the visit of the Prince of Wales to Lucknow. The idea of establishing Zoological gardens at Lucknow emanated from Sir Harcourt Butler, the Governor of the State.