POI's creator (Voyajo Team)
The public square in the 4th arrondissement of Paris that is now the Place de l'Hôtel de Ville (City Hall Plaza) was, before 1802, called the Place de Grève. The French word, 'grève', means 'a flat area covered with gravel or sand situated on the shores of the ocean or on the banks of a river (...) (from Wikipedia)