"The hryvnia, sometimes hryvnya or grivna (Ukrainian: гривня, pronounced [ˈɦrɪu̯ɲɑ], abbr.: грн (hrn in Latin alphabet)); sign: ₴, code: (UAH), has been the national currency of Ukraine since September 2, 1996. The hryvnia is subdivided into 100 kopiyok. In medieval times, it was a currency of Kievan Rus'." - wikipedia.org
"The lari (Georgian: ლარი; ISO 4217: GEL) is the currency of Georgia. It is divided into 100 tetri. The name lari is an old Georgian word denoting a hoard, property, while tetri is an old Georgian monetary term (meaning 'white') used in ancient Colchis from the 6th century BC." - wikipedia.org
You can easily change your dollars or other hard currencies in major banks and special exchange points. Changing U.S. dollars or another currency is legal only at banks, currency exchange desks at hotels and at licensed exchange booths. There are a lot of such exchange points throughout the major cities. Old or damaged bills may not be accepted or accepted under the lower rate. Many shops and most hotels accept major credit cards. However, do not rely solely on plastic or travellers cheques. Cash is preferred.
USD and EURO are the most popular currencies in exchange booths. Other currencies are more difficult to exchange and have lower rates due to minor circulation.
VISA & MasterCard are accepted in major hotels, restaurants, casinos, stores, ATM's.
Owners of American Express, Dinners will experience problems when using their cards even in regional centres.
Traveller's checks and credit cards can be cashed less out of a bank fee (which is 1-4% of the amount) at the majority of banks. Most popular Travellers are Thomas Cook and Visa. To cash travellers checks, the receipt of purchase and passport of check owner is required.