In Belgium, for Brussels and French-speaking Wallonia (and its mainly German-speaking Ostkantone district) contact OPT, rue St-Bernard 30, 1000 Bruxelles (tel. 070/221-021, brochure line 02/509-24-00; fax 02/513/04-75; www.opt.be). This is an administrative office only, and is not open for personal visits.
For Brussels and Dutch-speaking Flanders, contact Toerisme Vlaanderen, rue du Marché aux Herbes/Grasmarkt 61-63, 1000 Bruxelles (tel. 02/504-03-90; fax 02/504-04-75; www.visitflanders.com; Métro: Gare Centrale). The office is open for personal visits April to June and September to October, Monday to Friday from 9am to 6pm; July to August, Monday to Friday from 9am to 7pm, and Saturday to Sunday from 9am to 1pm and 2 to 7pm; and November to March, Monday to Friday from 9am to 6pm, Saturday from 9am to 1pm and 2 to 6pm, and Sunday from 9am to 1pm.
Tourist offices in French-speaking areas are generally called the Office du Tourisme, and in small places the Syndicat d'Initiative; in Dutch-speaking areas, Toerisme Whatever, for instance Toerisme Brugge, for Bruges, or VVV followed by the place name; in the German-speaking area, look for the Verkehrsamt.