The Honolulu Zoo is a 42-acre (17 ha) zoo located in Queen Kapiʻolani Park in Honolulu, Hawaiʻi, USA. It is the only zoo in the United States to be established by grants made by a sovereign monarch, and is built on part of the 300 acres (121 ha) royal Queen Kapiʻolani Park. The Honolulu Zoo now features over 1,230 animals in specially designed habitats.