As of Sunday, October 10, citizens of the United Kingdom of Great Britain and Northern Ireland arriving from an EU Member State, the European Economic Area, Switzerland or from the United Kingdom, which is in the red Covid zone, are admitted to the territory of Bulgaria at presentation of a valid EU digital vaccination certificate or document for overcome coronavirus, together with a negative result from a PCR test performed up to 72 hours before entering the country. If persons do not present such a document, they may be admitted to the territory of the country only after presentation of a negative result from a PCR test conducted up to 72 hours before entering the country and quarantine for a period of 10 days at home or in another place of accommodation that the person has indicated.

As of Sunday, France, Monaco, Portugal, Cyprus and Iceland are on the list of countries in the green zone.

Malaysia, Eswatini, Iran, North Macedonia, Kosovo, Kazakhstan, the United States and Ireland will be included in the orange zone on the same date.

As of October 13, 2021, Barbados, Antigua and Barbuda, Romania, Estonia, Latvia, Slovakia and Singapore enter the red Covid zone.