The airport in Istanbul is extremely big. Your flight from South Africa to Turkey and the flight from Turkey to Croatia will arrive and depart from Terminal 1. The airport has 1 terminal which services both international and domestic arrivals and departures, it is thus important that you read notice boards and have site of your Travel Team member throughout the transit till such time that you have reached your boarding gate.
Capacity: Istanbul airport manages more than 200 million passengers annually once fully completed, making it one of the busiest airports globally.