Ajaccio with Bastia, the economic, commercial and administrative centre of Corsica. Its urban area of nearly 90,000 inhabitants is spread over a large part of the Corse-du-Sud, on either side of the Gulf of Ajaccio and up the valley of the Gravona. Its business is primarily oriented towards the services sector. The services sector is by far the main source of employment in Ajaccio. Ajaccio is an administrative centre comprising communal, intercommunal, departmental, regional, and prefectural services. Tourism is one of the most vital aspects of the economy, between the seaside tourism of summer, cultural tourism, and fishing. A number of hotels, varying from one star to five star, are present across the commune. Ajaccio is the seat of the Chamber of Commerce and Industry of Ajaccio and Corsica. It manages the ports of Ajaccio, Bonifacio, Porto-Vecchio, Propriano and the Tino Rossi marina. Also manages Ajaccio airport and Figari airport as the convention centre and the Centre of Ricanto.