What are the visa & residency requirements in Tbilisi?

"Visitors to Tbilisi, Georgia are required to obtain a visa prior to entry, unless they have citizenship of the European Union, Switzerland, or the United States or they are citizens of visa-exempt countries. Visas are typically issued for a 90-day period and can be obtained in the visitor’s home country through a Georgian embassy or geographically nearest Georgian consulate. In order to apply for a visa, an applicant needs to submit an application form, proof of identity, evidence of sufficient funds to finance their stay, travel insurance information, as well as an invitation letter from an individual in Georgia if applicable. It is possible for foreign nationals to apply for residency in Tbilisi, Georgia after they have lived in the country for more than eighteen consecutive months. To do so, they must provide a valid passport, proof of a clean criminal record, a medical certificate, documentary evidence of financial means to support themselves, details of their economic activities in the country, and a copy of the rental agreement of their home in Georgia. Additionally, their applications must include proof that they have sufficient knowledge of the Georgian language. After the documents have been submitted, applicants will be interviewed and must pass a general knowledge quiz on the country. As part of the residency application process, the applicant is also required to pay a fee," remarked another expat in Tbilisi, Georgia.