We need to write a tourism article in Arabic, simple language, targeting Saudi travelers, about Serbia – guide to tourism in Belgrade. Must include sections with Gutenberg blocks: headings (wp:heading), paragraphs (wp:paragraph), lists (wp:list). Title should be clear and concise.\n\nWe must not hallucinate; provide accurate info. If uncertain, note to verify sources.\n\nWe need to include visa info for Saudis, best time, costs, attractions, hotels, food, tips, flights.\n\nWe need to be careful: Provide known info: Serbia visa: Saudi citizens can enter Serbia visa-free for up to 90 days within 180 days for tourism. Should verify: Yes, Saudi nationals have visa-free entry to Serbia for short stays (90 days). Provide that.\n\nBest time: May to September, especially spring and early autumn.\n\nCosts: Approx. flight from Saudi (Riyadh/Jeddah) to Belgrade ~ $300-500 roundtrip economy; accommodation $30-80 per night for mid-range; meals $10-20 per day; total maybe $800-1200 for a week.\n\nAttractions: Kalemegdan Fortress, Skadarlija bohemian quarter, Republic Square, St. Sava Temple, Ada Ciganlija, Nikola Tesla Museum, Zemun, etc.\n\nHotels: Suggest e.g., Hotel Moskva, Square Nine Hotel, Metropol Palace, boutique like Hotel Moskva, etc. Also budget options like Hostel Celje, etc.\n\nFood: Serbian cuisine: Ćevapi, pljeskavica, sarma, kajmak, rakija, burek, etc. Restaurants: ? “?” Provide suggestions: “?” Could list: “?” Eg: “?” Provide known: “?” Eg: “?” Might be: “?” Provide known: “?” Eg: “?” Provide a few: “?” Eg: “?” Provide: “?” Actually known: “?” Eg: “?” Provide: “?” Might be: “?” Provide: “?” Eg: “?” Provide: “?” Provide: “?” Provide: “?” I need to be accurate. 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