Düsseldorf ((, , ; Low Franconian and Ripuarian: "Düsseldörp" ; archaic , Latin: "Dusseldorpium") is a German city. It is on the east bank of the river Rhine. It is the capital of the state of North Rhine-Westphalia. Düsseldorf has about 600,000 inhabitants. About 1.3 million people live in the city and surrounding areas. The city has one international airport, a university, and the headquarters of many international companies.