The Paris Region had 5.4 million salaried employees in 2010, of whom 2.2 million were concentrated in 39 ''pôles d'emplois'' or business districts. The largest of these, in terms of number of employees, is known in French as the QCA, or ''quartier central des affaires''; it is in the western part of the City of Paris, in the 2nd, 8th, 9th, 16th, and 18th arrondissements. In 2010, it was the workplace of 500,000 salaried employees, about 30 percent of the salaried employees in Paris and 10 percent of those in the Île-de-France. The largest sectors of activity in the central business district were finance and insurance (16 percent of employees in the district) and business services (15 percent). The district also includes a large concentration of department stores, shopping areas, hotels and restaurants, as well a government offices and ministries.