What are the visa & residency requirements in Kharkov?

"In order to visit Kharkov, visitors must obtain a visa from the Ukrainian Embassy or Consulate in their home country. The visa application process typically requires applicants to submit a valid passport, a completed visa application form, a passport-sized photograph, and proof of sufficient funds to cover the duration of the stay. Depending on the purpose of the visit, additional documents may be required. In order to obtain residency in Kharkov, Ukraine, applicants must submit an application to the local Migration Service. The application must include a valid passport, a completed application form, a passport-sized photograph, proof of sufficient funds to cover the duration of the stay, and proof of health insurance. Depending on the purpose of the residency, additional documents may be required. Once the application is approved, the applicant will receive a residence permit," remarked another expat in Kharkov, Ukraine.