Why not visit another European capital while visiting Budapest? Bratislava is located only 200km from Budapest and the city has a very interesting old-town and a castle area with a great view towards the Danube. Read more about Bratislava at http://www.bratislavaguide.net/.
If you would like to go on a day trip to Bratislava our driver will pick you up at your Budapest hotel in the morning, take you to Bratislava where you will have 6-7 hours to look around, before you are transported safely back to Budapest in the afternoon/evening.
Prices for the day trip to Bratislava:
2-3 persons: 80,000 HUF
4-7 persons: 90,000 HUF