Transport in Croatia relies on several main modes, including transport by car, train, ship and plane. Road transport incorporates a comprehensive network of state, county and local routes augmented by a network of highways for long-distance travelling. Water transport can be divided into sea, based on the ports of Rijeka, Ploče, Split and Zadar, and river transport, based on Sava, Danube and, to a lesser extent, Drava. Croatia has 9 international airports and several airlines, of which the most notable are Croatia Airlines and Trade Air. Rail network is fairly developed but regarding inter-city transport, bus tends to be far more common than the rail.
Croatia counts 9 civil, 13 sport and 3 military airports. There are nine international civil airports: Zagreb Airport, Split Airport, Dubrovnik Airport, Zadar Airport, Pula Airport, Rijeka Airport (on the island of Krk), Osijek Airport, Bol and Mali Lošinj. The two busiest airports in the country are the ones