Baku is Azerbaijan's futuristic capital on the Caspian Sea, while Ganja, the country's second city, offers an older, more traditional Silk Road-era counterpoint far from Baku's skyscrapers.
Baku is defined by its ultra-modern architecture — the Heydar Aliyev Center and Flame Towers are among the most striking contemporary buildings anywhere, set beside the medieval Maiden Tower (Giz Galasi). Ganja's Shah Abbas Caravanserai reflects a much older, Silk Road-era history with no modern equivalent.
Baku's Azerbaijan National Museum and the Palace of the Shirvanshahs anchor the country's major historical collections. Ganja's Ganja Museum of Carpet Weaving and the historic Juma Mosque reflect the city's role as a traditional craft and religious center rather than a national showcase.
Ganja's Old Bazaar (Caravanserai Complex) gives a more traditional trading-town atmosphere, and it's the natural base for day trips to Lahij Village's copper craftspeople and the historic Shaki Fortress further into the mountains. Baku's Baku Boulevard (Baku Bulvar) is a modern seafront promenade rather than a historic trading quarter.
Baku has Azerbaijan's main international airport and by far the most hotels, restaurants, and nightlife, reflecting its oil-wealth-driven modernization. Ganja has its own smaller airport but is best reached overland from Baku (about five hours by road), and works better as a multi-day regional base than a quick add-on.
Choose Baku for futuristic architecture, the Caspian seafront, and the country's main international airport. Choose Ganja for Silk Road-era history, traditional bazaars, and access to mountain villages like Lahij. Most trips start in Baku and add Ganja only with extra time for a deeper look at Azerbaijan beyond the capital.