Budapest is the captial city of Hungary. Budapest was founded in 1873. In that year three cities on the side of the Danube: Buda, Óbuda (Old Buda) and Pest were unified. The highest point of the city is János Hill (527 m.) .The main sights in Budapest are the Castle Hill (Várhegy), the Parliament (Országház) and St. Stephen's Basilica. Budapest is also known for the ruins of Aquincum, the capital city of the Roman Province of Pannonia.