Combined with Buda (on the right of the Danube River) and Pest (on the left of the Danube River) settled originally by Celtic before it was becoming the Roman’s Lower Pannonia and next the Tatars and Ottoman. Considered as one of the world’s most beautiful cities, it is also the European hubs of business, culture and tourism, attracting over 20 million travellers a year. Covered with climate of between the mild and rainy, it offers European-cities-ambience. Budapest connected with major European cities by direct flights, including to Middle East, Asia and North Africa. Visiting Castle Hill for the Royal Palace including the National Gallery and the Music Museum, the Chain Bridge and the Margaret Island, is worthwhile. The Pest side has many great places to visit as well.