Oikumena operates worldwide

Certified and general written translations, consecutive and simultaneous interpreting, and Russian and Croatian language lessons — everything you need to feel confident in any situation.

Russian
translation from and to Croatian
Croatian
Croatian
translation from and to English
English
Russian
translation from and to Russian
English

Written
Translation

Translation of diplomas, birth certificates, marriage, death certificates, wills, official documents with certification stamp of an official court interpreter

Oral
Interpretation

Interpretation at conferences and major events using professional equipment and experienced specialists. Booth interpretation.

Russian
Language
Lessons

Group lessons in small groups for the Russian language

Croatian
Language
Lessons

Croatian language for foreigners according to a custom method
Certified Written Translation
Non-Certified Written Translation
Simultaneous Interpreting
Consecutive Oral Interpreting
Croatian Language Lessons
Russian Language Lessons
Certified Written Translation
Non-Certified Written Translation
Simultaneous Interpreting
Consecutive Oral Interpreting
Croatian Language Lessons
Russian Language Lessons

Welcome to Oikumena!

Hello! My name is Maria, a sworn court interpreter for Croatian and Russian, a member of the Croatian Association of Translators, and the founder of Oikumena. I help people understand each other without the unnecessary ‘What does that mean?’, whether it’s official documents, business negotiations, or everyday life in a new country.

Hello! My name is Maria, a sworn court interpreter for Croatian and Russian, a member of the Croatian Association of Translators, and the founder of Oikumena. I help people understand each other without the unnecessary ‘What does that mean?’, whether it’s official documents, business negotiations, or everyday life in a new country.

I believe that language should not be an obstacle, but a bridge connecting people. That’s why my goal is not just to translate words but to remove language barriers, creating a space for security, comfort, and mutual understanding. With Oikumena, you do not just get a translation but confidence in communication.

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Maria Khaireva, Founder of Oikumena

How Oikumena can Help You

Written Translation — Accurate and Fast!

I work with Russian, Croatian, and English in all possible directions — no one-way translations, only free movement of meaning!

If you need a translation that not only sounds good but also has legal validity, I will certify it with my stamp so your document is officially recognised. Quick, compliant with regulations, and stress-free!

10%
discount

For orders of 15 standard pages or more. If the translation volume increases, the discount may be increased

Oral Interpretation — Precise and on Time!

%
discount

For multi-day events. Calculated individually

Twenty years of experience as an interpreter in Zagreb, Moscow, Stockholm, Budapest, and Ljubljana — and that’s just the beginning of my geography! I work in negotiations, conferences, official meetings, and other important events, ensuring all parties speak the same language and understand each other without unnecessary pauses.

Russian, Croatian, English — any combination, any level of complexity. Language should not be a barrier when it is important to hear and be heard!

Russian Language Lessons for Foreigners

Russian language attracts different students — some learn it out of curiosity, others for work, and some simply want to better understand another country’s culture. What they all have in common is an interest in Russia.

Among my students are people from different countries and a wide range of professions: professors of Russian language, postgraduate students of international relations, IT specialists, and historians. I teach students from Korea, Australia, the United Kingdom, Spain, Germany, the United States, and Norway.

50%
discount

For the first introductory lesson

Croatian Language Lessons for Foreigners

50%
discount

For the first introductory lesson

Croatian language lessons for foreigners who want to adapt to life in Croatia, conduct business, or simply communicate comfortably in everyday situations. I teach Croatian in a way that makes it feel like more than just a collection of difficult sounds — it becomes your new tool for communication. I have my own method for those already familiar with Slavic languages and for those hearing for the first time that ‘ljubav’ is not a spell but means ‘love’.

Among my students are Ukrainians, Russians, Belgians, French, and Italians — all those who want to speak Croatian with confidence and without stress.

The Strength of Oikumena

28

Years of Experience

I have been working in translation and interpretation for almost three decades, ensuring high-quality language services for individuals and businesses.

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10 000+

Translated Documents

From birth and marriage certificates to complex legal contracts, financial reports, business correspondence, technical manuals, and scientific articles — every translation is done with accuracy and meets official standards.

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200+

Interpreted Events

Business negotiations, conferences, and official meetings — we provide smooth communication in all situations. I have participated as a simultaneous and consecutive interpreter at conferences and negotiations at the highest level both in Croatia and in other countries.

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100%

Individual Approach

My clients note the high level of engagement and knowledge of the material in their subject matter when translating. Before each order, I study the topic and type in the necessary professional terms and expressions.

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30+

Customised Learning Programmes

I successfully teach Croatian to both native Slavic speakers and those who are not familiar with Slavic languages. I have developed materials for individual learning, depending on age, preferences and native language.

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Oikumena in Action

Organisation and Support for the Hermitage State Museum Exhibition

Interpretation at conferences and large-scale events using professional equipment and experienced specialists. Booth interpretation.

One of the most significant moments of my career was participating in the organisation of the Hermitage exhibition ‘Catherine the Great — Empress of Russia’ at the Klovićevi Dvori Gallery. In April 2018, more than 1,000 unique exhibits from the Hermitage collection arrived for this extraordinary exhibition, and I was incredibly fortunate to be a part of it.

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Russian Language Consultant for the BBC Series McMafia

Translation at any event

In 2017, I was invited to be a Russian language consultant for a new BBC series they were filming in Croatia. It was an exciting and unique experience. My role was to ensure that the actors delivered authentic and accurate Russian dialogue, preserving the linguistic and cultural nuances of the language.

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Certified Written Translation
Non-Certified Written Translation
Simultaneous Interpreting
Consecutive Oral Interpreting
Croatian Language Lessons
Russian Language Lessons
Certified Written Translation
Non-Certified Written Translation
Simultaneous Interpreting
Consecutive Oral Interpreting
Croatian Language Lessons
Russian Language Lessons

We are Often Asked…

There is no need to search too much! Here are the answers to the most frequently asked questions about how we work.

How quickly can a translation be ready?

Croatia translation into other languages

The speed of translation depends not only on the volume. If it is a standard document, such as a birth certificate or a police clearance certificate, the translation can be ready on the same day. If it is a document with specialised terminology or a large volume, it may take two to three days.

If I need to change something in an already completed translation, how much does it cost?

Cheap translation in Zagreb

If I worked on the translation, I make small changes immediately and completely free of charge. If the translation was done elsewhere, I first need to check its accuracy. This usually takes one day, and the cost is lower than a full translation.

Do you provide notarised translations of official documents?

High-quality certified translation Croatia

Yes. In Croatia, there is the concept of a sworn or court translator. This means that with my stamp, you do not need additional notarisation — the translation is already an official document and can be presented in court, at the police, and in any other government institution.

Is there a price difference between a certified and a regular translation?

Court interpreter of Croatian and Russian languages

In all agencies, certified translations cost more. The translation must be formatted according to specific rules, bound to the original, and sealed with the official stamp of the sworn translator. I usually only charge for the time spent on the translation, so the price difference is minimal.

Can you send a certified translation by email?

Sending translated documents by mail

Of course. If the organisation that requires the translation accepts a scanned document, I can send it by email.

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Certified Written Translation
Non-Certified Written Translation
Simultaneous Interpreting
Consecutive Oral Interpreting
Croatian Language Lessons
Russian Language Lessons
Certified Written Translation
Non-Certified Written Translation
Simultaneous Interpreting
Consecutive Oral Interpreting
Croatian Language Lessons
Russian Language Lessons

Among Our Clients

Klovićevi Dvori Gallery. One of the most important cultural institutions in Croatia
JGL Pharma. A Croatian company improving quality of life by caring about health
ZSEM. The best school of economics and management in Croatia

Got a Question? We’ll Get Back to You Quickly

Tell us what service you are interested in — translation or Russian or Croatian language lessons? Ask questions and we will answer within two hours!

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Languages we work with: English, Russian, Croatian and Ukrainian

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