Zagreb is the capital city of Croatia.

Zagreb is one of the largest cities in Croatia. It is in the northwest of the country, along the Sava river, at the southern slopes of the Medvednica mountain. Zagreb lies at an elevation of approximately 122 m (400 ft) above sea level. The population of the city in 2021 was 769,944. The population of the Zagreb urban agglomeration is 1,071,150, approximately a quarter of the total population of Croatia.

Zagreb is a city with a rich history dating from Roman times. The oldest settlement in the vicinity of the city was the Roman Andautonia, in today's Ščitarjevo. The name "Zagreb" is recorded in 1134, in reference to the foundation of the settlement at Kaptol in 1094. Zagreb became a free royal city in 1242. In 1851, Zagreb had its first mayor, Janko Kamauf.