It was the parkland of the former Palacio Azambuja or dos Meninos de Palhavã in 1918 and the Spanish Embassy used to be located here.

The park was designed by the landscape architects Gonçalo Ribeiro Telles and António Facco Vianna Barreto in close collaboration with Alberto Pessoa, Pedro Cid and Ruy Athouguia who were architects of the buildings of the Calouste Gulbenkian Foundation erected in the park; Armenian oil tycoon and art collector Calouste Gulbenkian played an important role in the post-war cultural life of Lisbon.

[4] The natural vegetation chosen consists of feathery pampas grass, Brazilian pepper (Schinus terebinthifolia) tree with small leaves, ribbon gum, Turkey oak, eucalyptus and poplars.

[1] Of the two lakes built in the garden, the larger lake, located in the centre of the park, is the habitat for water birds such as mallard, moorhen, ring-necked parakeet, white wagtail, wren, blackbird, blackcap, house sparrow, serin, and greenfinch.

[5] The park is also enlivened with statues and sculptures made by national and international artists which are fixed strategically at many places.