There are 2 large fountains in Rossio Square (also known as Pedro IV Square) in Lisbon, each with 4 mermaid statues. map
Rossio Square fountain with 4 mermaid statues. Photo © by Lucia Whittaker.
The bronze sculptures were created by sculptors Mathurin Moreau and Michel Lienard, and were installed with the fountains in 1889. They were created in Val d'Osne, France and then imported to Portugal.
References:
● http://en.wikipedia.org/wiki/Rossio_Square
● The Mermaids of Earth coffee-table book: See page 92 in the book about this sculpture.
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