Plaisance is a station on line Line 13 of the Paris Métro in the 14th arrondissement.
It is named after the Château du Maine which was built in the 17th century and possessed a large park. The word "plaisance" is equivalent to the English word "pleasance", that is a pleasure garden. It was purchased in 1842 by a surveyor called Couesnon whose son subdivided it, creating the district of Plaisance between 1858 and 1860, which became one of the largest slums in Paris. The Compagnie générale des omnibus razed the castle to build garages.
Wikipedia https://en.wikipedia.org/wiki/Plaisance_station
Address 135 Rue Raymond Losserand, Paris 75014, France
Coordinates 48°49'54.408" N 2°18'50.491" E