EU:
Czech Republic is since January 1, 2009 part of the European Union. The currency of the Czech Republic is still the Czech Crown (Czech Koruna).  

VISA:
US Citizens do not need a visa to stay in the Czech Republic for up to 90 days; however, a passport needs to be valid for at least 6 months from the date of entry. For visa and other consular information please visit www.mzv.cz/newyork and click on “Visa Information”. You can also contact the Embassy of the Czech Republic at (202-274-9100) or the Consulates General of the Czech Republic . ( New York : 646-422-3344, Los Angeles : 310-473-0889)   

DRIVING:
To drive in the Czech Republic you must have an international driver's license, which can be obtained from your local AAA office. Besides driver's license, you are required to have a proof of payment/receipt of the compulsory car insurance (the so called "green card", "zelena karta" in Czech) -- ask you rental company about the insurance.  

STICKERS:
There are no toll roads in the Czech Republic. To use the country's network of highways, drivers are required to purchase a special sticker with the highway symbol (available at gas stations, border crossing and post offices) and place it in lower left corner of windshield (as viewed from the driver's seat). Currently they are three types of stickers: for one year (1000 KC), one month (330 KC), and one week (220 KC). Please not that the prices may change. For more info please visit www.motorway.cz/stickers