This square was named after a nearby-located Alma Bridge. Don't forget to take a look at the Flame of Liberty situated by the bridge - it is a full-sized replica of Statue of Liberty's torch. The sculpture later became an unofficial memorial for Princess Diana of Wales.
Wikipedia https://fr.wikipedia.org/wiki/Place_de_l%2527Alma
Info http://paris1900.lartnouveau.com/paris08/places/la_place_de_l_alma.htm
Address Place de l'Alma, Paris, France
Coordinates 48°51'52.24" N 2°18'5.597" E