Please check whether you need a visa to enter Ukraine here.
Please follow this link to see information on supporting documents and visa application procedure.
Your passport / travel document should compy with the following requirements:
Ukraine’s visas cannot be extended. Foreigners/stateless persons staying in Ukraine upon their visas may apply for the extension of their stay while in Ukraine through Ukraine’s State Migration Service local offices. Please see Ukraine’s State Migration Service website for more information on the procedure.