Belgium is a 3-4 day country, not a single-base-and-day-trip country. Here's the honest map of which city to actually sleep in.
Bruges — for the postcard
Bruges is the canal-and-medieval-town cliché. Day-tripper crush 11am-4pm; magical after 6pm when day-trippers leave. Stay 2 nights to actually experience it. Stay in Binnenstad.
Ghent — the better Bruges
Ghent is what Bruges was 50 years ago — same medieval atmosphere, fewer tourists, real student-and-resident life. Stay in Patershol. Best for: 2-3 night stays, anyone wanting Bruges-quality with less tourism.
Antwerp — the modern pick
Antwerp is the design-and-fashion city. Stay in Het Eilandje for converted-port-quarter, Oude Stad for medieval. Best for: 2-3 night stays, design-focused trips.
Brussels — only for tactical reasons
Brussels is the Grand Place + EU Quarter + dead-after-7pm reality. Stay only if you're flying in/out via BRU or specifically need the EU Quarter. Use Sablon or Saint-Gilles, not Îlot Sacré.
The honest 5-day Belgium
- Day 1-2: Ghent + day-trip to Bruges
- Day 3-4: Antwerp + design quarter
- Day 5: Brussels day-trip from Antwerp (45 min train) for Atomium and Magritte Museum, or skip entirely
What to avoid
- Spending 4 nights in Brussels: Brussels does not deserve 4 nights.
- Bruges as a 4+ night destination: Small enough to feel covered in 2.
- "Day-trip Bruges from Brussels": Bruges is too special for a day-trip.
Strategy
Pick Ghent + Antwerp for 4-5 nights, day-trip Bruges. Flying into BRU works fine — train to anywhere is 30-90 min.