The city of Székesfehérvár (Hungarian pronunciation: [ˈseːkɛʃfɛheːrvaːr] ; see also ), located in central Hungary, is one of the largest cities in the country. Székesfehérvár was the capital of Hungary in the Middle Ages. Now the city is regional capital of Central Transdanubia, the centre of Fejér county and Székesfehérvár District. It was one of the most important cities of Hungary. In the Székesfehérvár Basilica (one of the largest basilicas in medieval-Europe), where the Diets were held and the crown jewels kept, thirty-seven kings and thirty-nine queens consort were crowned and fifteen rulers buried. . Wikipedia
Home to pretty treasures, Székesfehérvár is Hungary's best kept secret. A gripping city on its own right, Sopron also deserves a visit. Add Sopron to your vacation plan, it has an interesting bunch of activities to do on your visit like The Fire Watch Tower, Church Of St Michael, Central Mining Museum Or Kozonti Banyaszati Muzeum. 1-2 days is an ideal duration of visit to Székesfehérvár.
Yes,it is that simple really! Enjoy your trip! Keep travelling!