Complex sentence: The current Jewish community in France numbers around 600,000, according to the World Jewish Congress and 500,000 according to the Appel Unifié Juif de France, and is found mainly in the metropolitan areas of Paris, Marseille and Strasbourg.
Split into simpler sentences: The current Jewish community in France numbers around 600,000, according to the World Jewish Congress and 500,000 according to the Appel Unifié Juif de France. It is concentrated in the metropolitan areas of Paris, Marseille and Strasbourg.