
Greece is a predominantly Orthodox Christian country, with around 90% of the population adhering to the Orthodox Church. However, there is also a significant number of Catholics in Greece, estimated to be around 70,000 or 0.6% of the population. The Catholic community in Greece has a long history, dating back to the Venetian and Genoese rule in southern Greece and the Greek islands from the 13th to the 18th centuries. Today, Catholic communities are found in major cities such as Athens, Thessaloniki, and Patras, as well as on several Greek islands, including Tinos and Corfu. The relationship between Catholics and Orthodox Christians in Greece has been complex, with historical tensions and ongoing challenges, but there have also been recent efforts by religious leaders to promote ecumenical dialogue and improve relations.
| Characteristics | Values |
|---|---|
| Percentage of Catholics in Greece | 3% (around 330,000 people) |
| Percentage of Greek Orthodox in Greece | 90% |
| Significant Catholic Communities | Cyclades Islands (Syros and Tinos), Corfu, Patras, Giannitsa, Thessaloniki, Kavala, Volos, and several other cities in mainland Greece |
| Indigenous Catholic Communities | Athens, Thessaloniki, Patras, Volos, Kavala, Cycladic and the Ionian islands |
| Descendants of Venetian Settlers | Athens, Thessaloniki, Patrias, Tinos, Naxos, Syros, and Corfu |
| Other Immigrant Catholic Communities | Polish, Bavarian, Eastern European, and Philippine |
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What You'll Learn
- There are approximately 70,000 Greek Catholics, 0.6% of the population
- Catholics in Greece are a minority, comprising around 3% of the population
- Catholic charitable projects in Greece face financial difficulties
- Catholic communities are found across Greece, including in Athens, Thessaloniki, and Patras
- Pope Francis visited Greece in 2021 to improve ecumenical and interfaith relations

There are approximately 70,000 Greek Catholics, 0.6% of the population
Greece is a predominantly Orthodox Christian country, with around 90% of Greeks identifying as Greek Orthodox. However, there is also a significant number of Catholics in the country, with approximately 70,000 Greek citizens being Catholic, comprising about 0.6% of the population. This Catholic community has been present in Greece for centuries and is mainly located in Athens, Thessaloniki, Patras, Volos, Kavala, and several other cities on the mainland and the islands.
The history of the Catholic Church in Greece dates back to the early 13th century when Pope Innocent III established a Latin archiepiscopal see in Athens during the Fourth Crusade. Under Venetian and Genoese rule, which lasted until the late 18th century, Catholic colonies flourished in various parts of Greece. However, the Ottoman invasion in 1453 led to a decline in the Catholic Church's influence under Islamic rule. In the 19th century, with the independence of Greece from the Ottoman Empire, the Orthodox Church became the "prevailing religion" in the country's constitution, solidifying its primacy in Greek society.
The Catholic community in Greece today is diverse, comprising indigenous Greek Catholics as well as immigrants from Eastern Europe, Poland, and the Philippines. They face challenges due to their minority status, such as a lack of public funding and difficulties in obtaining visas for foreign religious workers. The Catholic Church in Greece has also had a complex relationship with the Orthodox Church, with historical tensions and ongoing ecumenical efforts to bridge the divide between the two faiths.
Despite these challenges, the Catholic Church in Greece remains active in pastoral and social work, particularly through charitable initiatives. During his visit to Greece in 2021, Pope Francis emphasized the shared roots and history between Catholics and Orthodox Christians, urging both communities to work together in serving those impacted by poverty and the country's economic crisis. The local Caritas network, in collaboration with other Catholic charities, has played a crucial role in responding to these needs, especially during the COVID-19 pandemic.
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Catholics in Greece are a minority, comprising around 3% of the population
Catholics in Greece are a minority, comprising around 3% of the country's population of 11 million. In other words, there are approximately 330,000 Catholics in Greece. The majority of Greeks identify as Greek Orthodox, with around 90% adhering to the Orthodox Church, which is considered the "prevailing religion" in Greece's constitution.
The relationship between Catholics and Orthodox Christians in Greece has been complex and, at times, tense. There has been historical tension between the two groups, dating back to the Great Schism of 1054 and the sacking of Constantinople in 1204. Despite this, relations between Catholics and Orthodox Christians in Greece are generally good. Significant Catholic communities can be found in various cities and islands across Greece, including Athens, Thessaloniki, Patras, Volos, Kavala, and the Cyclades Islands.
The Catholic Church in Greece faces several challenges, including financial strains due to austerity policies and the country's economic crisis. Additionally, as an unrecognized faith by the state, the Catholic Church has struggled with property ownership and tax exemptions. However, there have been efforts to improve ecumenical relations between the Catholic and Orthodox Churches, including visits by Pope John Paul II in 2001 and Pope Francis in 2021, who urged Catholics and Orthodox Christians to carry out joint acts of charity and prayer.
The Catholic community in Greece is diverse, with indigenous Greek Catholics and immigrants from various countries, such as Poland and the Philippines, practicing their Roman Catholic traditions. The geographical dispersion of the Catholic community and its heterogeneous makeup have made pastoral and social work more challenging for the local Church. Nonetheless, immigration has enriched the local Church and contributed to the growth of the Catholic community in Greece.
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Catholic charitable projects in Greece face financial difficulties
Catholics in Greece make up just three percent of the country's population of 11 million. This minority status has made it difficult for Catholic charitable projects in the country to raise the necessary funds to meet Greece's rising needs.
Catholic Relief Services (CRS) is one of the leading agencies supporting vulnerable families arriving in Greece. In collaboration with Caritas partners, CRS has supported more than 180,000 asylum seekers and recognized refugees in Greece, helping them meet their immediate needs and work towards self-reliance. This includes providing financial aid, housing, and food to applicants for international protection. CRS has received funding from various organizations, including the United Nations High Commission on Refugees (UNCHCR) and the Ministry of Migration and Asylum of Greece (MMA), to support its emergency relief, shelter, cash assistance, and protection programming in the country.
Caritas, a charitable organization, has initiatives to help feed refugees, many of whom sleep on the streets or in parks due to a lack of housing. They also have a special project for Syrians who come to Greece, assisting with integration and offering meals through their soup kitchen. To ensure they have enough funds to continue their work, the Caritas branches of Europe, Italy, Latin America, and North America have donated to the Greek branch.
The underlying issue of the complex relationship between Catholics and the Orthodox Church in Greece has also impacted the financial situation of Catholic charitable projects. Tensions between the two groups have existed since the Great Schism of 1054, and while relations are generally good, many Orthodox individuals still blame the Vatican for perceived misdeeds. This has made it difficult for Catholic charitable projects to receive public funding and operate in a favorable climate.
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Catholic communities are found across Greece, including in Athens, Thessaloniki, and Patras
Catholics in Greece make up a small minority, with around 50,000–70,000 indigenous Roman Catholics in the country in 2022. This number represents around 3% of Greece's population of 11 million, with the remaining 97% adhering to the Orthodox Church, declared as the "prevailing religion" in the country's constitution. Despite their small number, Catholic communities are found across Greece, including in major cities such as Athens, Thessaloniki, and Patras.
Athens, the capital of Greece, has a significant Catholic presence. The city is home to the Catholic cathedral of Saint Dionysius, where Pope Francis met with representatives of the Catholic Church during his visit to Greece in 2021. The establishment of a Latin Archdiocese in Athens dates back to 1205, when Pope Innocent III established it after the Fourth Crusade.
Thessaloniki is another city in Greece with a diverse Catholic community. The Catholic parishes in Thessaloniki are made up of people from various cultural and linguistic backgrounds, including Greek, Albanian, Italian, French, and English speakers. The priests of Thessaloniki cater to this multicultural community by offering celebrations and access to the sacraments in different languages.
Patras, a city in the Peloponnese region of Greece, is also home to a Catholic community. The archdiocese of Athens and the Peloponnese were established by Pope Pius IX in 1875, encompassing the Catholic faithful in the region. While there is limited specific information about the Catholic community in Patras, it is part of the broader Catholic presence in the Peloponnese.
In conclusion, while Catholics are a small minority in Greece, they are spread across the country, with communities in major cities like Athens, Thessaloniki, and Patras. These communities have a long history, dating back to the early 13th century, and continue to play an active role in the religious landscape of modern Greece, navigating complex relationships with the dominant Orthodox Church.
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Pope Francis visited Greece in 2021 to improve ecumenical and interfaith relations
In Greece, Catholics make up just three percent of the country's population of 11 million, with 97 percent adhering to the Orthodox Church, which is considered the "prevailing religion" in the country's constitution. This religious minority status has made it difficult for the Catholic Church in Greece to receive public funding, and Catholic clergy have faced challenges such as being refused healthcare and struggling to maintain their church structures.
Pope Francis, who has made ecumenical and interfaith dialogue a cornerstone of his papacy, visited Greece in December 2021. This was his second visit to the country, the first being in 2016. During his 2021 trip, Pope Francis navigated the complex relationship between Catholics and Orthodox Christians in Greece, which has been strained since the Great Schism of 1054. Despite generally good relations, many Orthodox Greeks still hold resentment towards the Vatican for historical events such as the sacking of Constantinople in 1204.
The Pope's visit focused on improving ecumenical relations with the Orthodox majority. He met with Archbishop Ieronymos II of Athens, the primate of the Autocephalous Orthodox Church of Greece, and acknowledged the painful past between the two churches. Pope Francis emphasised the shared roots and history between Catholics and Orthodox, urging both sides to carry out joint acts of charity and pray for one another to heal their wounded relationships.
Pope Francis also met with representatives of the Catholic Church in Greece, including bishops, priests, and other religious figures. He encouraged the small Catholic community to trust in God despite being in the minority and to embrace others, even amidst the country's internal and external difficulties. The Pope's visit was praised by Catholics in Greece as an opportunity for renewed ecumenical relations and improved day-to-day interactions with the Orthodox majority.
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Frequently asked questions
There are approximately 70,000 Catholic Christians in Greece, making up about 0.6% of the country's population.
Approximately 0.6% to 3% of Greece is Catholic.
The predominant religion in Greece is Orthodox Christianity.
Greek Catholics mainly reside in Athens, Thessaloniki, Patras, Volos, Kavala, and on the Cycladic and Ionian islands.
The relationship between Catholics and Orthodox Christians in Greece has historically been tense, dating back to the Great Schism of 1054. While relations are generally good, some Orthodox Christians blame the Vatican for perceived misdeeds, and the Orthodox Church leadership has opposed efforts to bridge the two faiths.




















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