The map shows the countries that are wholly or partially covered by circumscriptions of Eastern Catholic particular churches.
Colours:
Deep red: Countries that have the headquarters of Byzantine rite particular churches
Green: Countries that have the headquarters of Alexandrian rite particular churches
Yellow: Countries that have the headquarters of particular churches of other rites (West Syriac, East Syriac and Armenian)
Blue: All other countries that are wholly or partially covered by circumscriptions of Eastern Catholic particular churchesCountries that have headquarters of particular churches: Country        Church(es) 

Ukraine          Ukrainian Greek Catholic Church, Ruthenian Greek Catholic Church (historical)
Romania          Romanian Greek Catholic Church
USA              Ruthenian Greek Catholic Church (present day)
Hungary          Hungarian Greek Catholic Church
Slovakia         Slovak Greek Catholic Church
Italy            Italo-Albanian Catholic Church
Croatia          Greek Catholic Church of Croatia and Serbia
Serbia           Greek Catholic Church of Croatia and Serbia
Greece           Greek Byzantine Catholic Church
North Macedonia             Macedonian Greek Catholic Church
Bulgaria         Bulgarian Greek Catholic Church
Belarus          Belarusian Greek Catholic Church
Albania          Albanian Greek Catholic Church
Russia           Russian Greek Catholic Church
Egypt            Coptic Catholic Church
Eritrea          Eritrean Catholic Church
Ethiopia         Ethiopian Catholic Church
Armenia          Armenian Catholic Church (historical)
India            Syro-Malabar Catholic Church, Syro-Malankara Catholic Church
Lebanon          Maronite Church, Armenian Catholic Church (present day)
Syria            Melkite Greek Catholic Church, Syriac Catholic Church
Iraq             Chaldean Catholic ChurchOther countries covered by Eastern Catholic circumscriptions:
Angola, Argentina, Australia, Austria, Belgium, Benin, Bosnia and Herzegovina, Brazil, Burkina Faso, Cameroon, Canada, Central African Republic, Chad, China, Colombia, Congo-Brazzaville, Congo-Kinshasa, Ivory Coast, Cyprus, Czechia, Denmark, England, Equatorial Guinea, Estonia, France, Finland, Gabon, Gambia, Georgia, Germany, Ghana, Guinea-Bissau, Guinea, Iran, Israel, Jordan, Kazakhstan, Kosovo, Kuwait, Kyrgyzstan, Latvia, Liberia, Lithuania, Luxembourg, Mali, Mauritania, Mexico, Moldova, Netherlands, New Zealand, Niger, Nigeria, Norway, Palestine, Poland, Scotland, Senegal, Sierra Leone, Slovenia, South Sudan, Sudan, Sweden, Switzerland, Tajikistan, Togo, Turkiye, Turkmenistan, Uruguay, Uzbekistan, Venezuela, Wales

Base map: File:BlankMap-World.svg
Own work
The Discoverer