If arriving with valid visa from Armenia or Azerbaijan, visa not required unless staying more than 3 days. Supplemental medical insurance with specific overseas coverage, including provision for medical air evacuation, useful. US Embassy maintains list of English-speaking physicians. Travelers on metro system particularly susceptible. High crime in South Ossetia make travel there risky.
Land mines pose threat.
Restricted access to Abkhazia severely restricts US Embassy's ability to assist US citizens even in emergencies. US government does not recognize independent Republic of Abkhazia. Travelers to separatist-controlled South Ossetia should use extreme caution. Georgia is cash-only economy. Lari only legal tender.