The city of Ankara is the capital, and second largest city, in the Republic of Turkey. There are 4,500,000 people residing in Ankara. It is a very old city, dating back to the 10th Century BC. As an area with a continental climate, Ankara temperatures are usually comfortable in the summers. The Esenboğa International Airport is Ankara's major airport, located northeast of the city. Visitors to the Turkish city can get around town using Ankara Intercity Bus Terminal, the public transportation system, as well as the Turkish State Railways, offering several trains through the area. In addition, there are two subways in Ankara, and visitors always have the option of finding a low cost car rental at CarRentalExpress.com.