Tbilisi is Georgia's capital and largest city, while Kutaisi, in the west, has become a popular gateway thanks to budget flights — and it opens up a very different, more nature-focused side of the country.
Tbilisi's Narikala Fortress overlooks Old Tbilisi (Dzveli Tbilisi) and its Abanotubani (Sulfur Baths District), a genuinely unique mix of hillside old town and working bathhouses. Kutaisi's Bagrati Cathedral, rebuilt after centuries of ruin, and the nearby Gelati Monastery are both UNESCO World Heritage Sites reflecting the city's medieval role as Georgia's royal capital.
Tbilisi has the country's major cultural institutions, including the Georgian National Museum and the striking Holy Trinity Cathedral (Sameba). Kutaisi's museum scene is thinner, but its churches carry deep historical weight — Gelati Monastery served as a medieval academy and remains one of the most important religious sites in the country.
This is Kutaisi's real strength: it's the gateway to Okatse Canyon, Sataplia Nature Reserve, and Prometheus Cave, some of the most dramatic natural scenery in the Caucasus, all within an hour's drive. Tbilisi's day trips lean more toward monasteries and wine regions than raw nature.
Tbilisi is the bigger city with more hotels, restaurants, and nightlife, and Georgia's main international airport. Kutaisi has its own budget-airline airport, making it an increasingly common (and often cheaper) entry point, but it's a much smaller city best used as a base for the surrounding nature rather than urban sightseeing.
Choose Tbilisi for the capital's old town, sulfur baths, and museums, and the country's main airport and nightlife. Choose Kutaisi for cheap flight access and a base for Georgia's best canyons and caves. Many trips now start with a budget flight into Kutaisi, explore western Georgia, then finish with a few days in Tbilisi.