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Photo: qingdao.gov.cn
Year of foundation: 1891
Area of the city:11,292 km²
Population: 10.3 million (2024)
Time zone: GMT+8
About city:
Qingdao is a sub-provincial city in eastern China, known for its beaches, historic architecture, and brewing culture. It is located on the coast of the Yellow Sea in Shandong Province and serves as an important seaport, economic, and tourist center.
In 2016, Qingdao ranked 12th among Chinese cities by GDP and was among the top ten global ports by tonnage and container throughput for the same year.
Joint events and contacts:
In 2021, official representatives from the cities of Xiamen and Qingdao proposed establishing sister city relations with Kazan. In August 2021, an online meeting was held at the level of international departments to identify possible areas for further cooperation.
On March 1, 2022, the first Kazan-Qingdao International School Forum was held on the theme: "The Flame of the Beijing Winter Olympics: Dialogue of Schoolchildren. Together for a Common Future," as part of a cooperation program for Kazan and Chinese students timed to the 2022 Beijing Winter Olympics. Participants included students from the Qingdao Experimental School and the Polilingual Educational Complex "Adymnar" in Kazan.
On March 3, 2022, an international lesson titled "Dialogue of Two Civilizations: Spring Festival in the Traditions of Our Peoples" took place. The event brought together students, teachers, and municipal officials from Kazan, Qingdao, and Jinan, Shandong Province. The joint lesson began with a performance of the song "Together We Face the Future"—dedicated to the 2022 Olympics—by students from Kazan and Qingdao. The song was performed in English, Chinese, Russian, and Tatar, with the Russian and Tatar parts delivered by students from the Polilingual Complex "Adymnar." A corresponding video was also recorded. The international lesson became a highlight event in Qingdao, attracting public and media attention. It was covered by multiple local publications and television outlets.
Additionally, in March 2022, in collaboration with the International and Intermunicipal Relations Department of the Kazan City Council and the Foreign Affairs Office of the Qingdao Municipal People's Government, an international online exhibition of children's creativity, titled "Kazan-Qingdao 2022: Together for a Common Future!", was held. The participants were schoolchildren aged 11–15, including twenty students from Kazan, all of whom received certificates.
Photo: flickr.com/photos/petermolnareu
Document: Memorandum of Friendship (2015)
Year of foundation: 311 B.C.
Population: 4.3 million (2021)
City area: 885.61 km2 (2021)
Time Zone: GMT +8
Website: http://www.chengdu.gov.cn/
About the city:
Chengdu is the capital of Sichuan Province, located in southwest China. Chengdu is a global transport and economic center. For its rich natural resources, mild climate and abundance of cultural and historical sights, Chengdu is called "Paradise on Earth"; it's a historic city with a 3000-year of history. A symbol of luxury and wealth, brocade is still on the basic list of products produced in the province: Chengdu's second name is "Jincheng" (Brocade City). Chengdu is home to the world's largest one-piece structure, the New Century, and is listed in the Guinness Book of World Records. It is also China's premier giant panda nursery region.
Joint activities, contacts:
Active exchange of official delegations. A representative of the Executive Committee of Kazan was sent for free training in Chengdu under their partnership exchange program.
In 2016 there were 2 visits of the delegation of the capital of Tatarstan headed by the deputy head of Kazan Evgeniya Lodvigova.
Representatives of Kazan took part in the First International Innovation Forum of mayors of partner and twin cities of Chengdu on the invitation of the administration of the Chinese city. There is an agreement between the Kazan Zoobotanical Garden and the Chinese Natural Reserve of the Great Pandas on the exchange of specialists.
In August 2018, students of schools of the Russian Federation participated in the China Girls Mathematical Olympiad (CGMO) in Chengdu. According to the results of the competition, Anna Sedova, a student of KFU IT Lyceum, became the winner.
On April 21-25, 2019, a delegation from Kazan Federal University visited the People's Republic of China (Chengdu, Zigong) at the "One Belt, One Road" International Education Forum.
On September 19, 2019, KFU signed an agreement with Chengdu Weiming Beida high school.
On May 27, 2020, Mr. Jiang Bin, head of the Office of Foreign Affairs of the Chengdu City People's Government, sent a video greeting on the 100th anniversary of TASSR.
On September 23, 2020, Mr. Wang Pingjiang, Vice Mayor of Chengdu City, made a speech in the online format «Traffic Management System» at the Smart City Mayors' Round Table within the International Forum Kazan Digital Week 2020.
On October 20, 2020 the representative of Chengdu Ms. Zhang Zhiying (Head of Eurasian Relations Department of Chengdu Municipal Office of Foreign Affairs) took part in the Forum of Twin Cities and Municipalities of BRICS - 2020 (as a listener of plenary session), which took place in Kazan in the online format.
From February 15 to May 15, 2021 in cooperation with the Secretariat of the World Organization "League of Historic Cities" in the framework of the 17th World Conference of Historic Cities in Kazan was held the International Online Children's Drawing Contest "I see the world: traditions of the peoples of the world". The participants were children aged 9 to 13 years old, among the winners were pupils from Chengdu.
The representatives of Chengdu took part in the 17th World Conference of Historic Cities "Historical and Cultural Heritage as the Basis of National Cultural and Local Identity", which was held in Kazan on June 24-26, 2021.
In December 2021, the Deputy Mayor of Kazan Evgenia Lodvigova made a report at the Forum on the occasion of the 5th anniversary of the signing of the agreement between Sichuan Province and the Republic of Tatarstan, which was attended by the President of the Republic of Tatarstan Rustam Minnikhanov, the Governor of Sichuan Province Mr. Huang Qian, the Mayor of Chengdu and others.
On January 25, 2022, an online conference between Chengdu and its Russian sister cities was held. The conference was devoted to the issues of further cooperation between the cities, also the prospects of interaction were defined and cooperation plans for 2022 were outlined. Representatives of the Kazan City Duma took part in the conference.
In 2022, 10 children's choral groups from Kazan participated in the 6th International Festival "Children's Choral Singing Week" held in the partner city of Chengdu in an online format. The main goal of the festival is to develop children's and youth creative and cultural exchanges, joint events and master classes.
On September 21, 2022, representatives of Chengdu participated in the Mayors' Round Table "Digital Transformation of City Management", which was held as part of the International Forum Kazan Digital Week - 2022 in Kazan.
On February 14, 2023, students from secondary school No. 9 in Kazan held an online meeting "Let's Get to Know Each Other: Customs and Traditions of the Tatar People" with students from secondary school No. 2 in Chengdu, Lunquan Province (China). The event is held within the framework of the Year of National Cultures and Traditions announced in Tatarstan. About 100 people from Russia and China took part in the teleconference.
On May 16, 2023, a videoconference between schoolchildren from Kazan and Chengdu was held, organized by Kazan High School No. 9. The students made and showed short films about their school days and holidays, as well as communicated in a question-and-answer format.
Jiang Bin, head of the Foreign Affairs Office of Chengdu People's Government, took part in the United Cities Forum (UCF), which was held on September 7-8, 2023 in Kazan as part of the International Forum "SPROUTS: Russia and China - Mutually Beneficial Cooperation".
The representative of Chengdu Zeng Liang took part in the International Architectural and Construction Forum "Kazanysh", which was held on December 5-7, 2023 in Kazan, making a report on global trends in master planning of territories.
In 2024, Kazan pupils from secondary school No. 9 prepared and sent a creative congratulation on the Spring Festival to their twin city Chengdu in video format.
Representatives of Chengdu visited the Kazan Pavilion at the World Youth Festival in Sochi, which took place on March 1-7, 2024.
On July 26-30, 2025, the musical group «KuKuRuZa» of the Kazan School of Rock took part in the International Youth Music Festival of the Twin Cities in Chengdu.
Фото: commons.wikimedia.org
Document: Treaty of Cooperation (2003)
Year of foundation: 1153
Population: 49,000 (2020)
Area: 136.358 km² (2020)
Time zone: GMT +2
Website: http://www.oblastshumen.icon.bg/
About the city:
Shumen province is a province in northeastern Bulgaria. The administrative center is the town of Shumen. Shumen is a large industrial center, the main branches of economy are mechanical engineering, processing of non-ferrous metals, chemical and food industries. Shumen is also known for its vineyards.
Photo: flickr.com/photos/zuk0
Year of foundation: 1979
Population: 12 million (2020)
Area of the city: 1997.27 km² (2020)
Time zone: GMT +8
Website: http://www.sz.gov.cn/
About the city:
Shenzhen is a major industrial, financial and transport center located in the south of China. Shenzhen is renowned as one of the largest centers of the electronics and electrical industry. Most of Apple's products are manufactured in Shenzhen. According to a ranking by the website Tech Insider (a division of Business Insider), Shenzhen is among the most tech-savvy cities in the world. As of 2019, Shenzhen was ranked as the second best Chinese city for doing business.
In 2008, Shenzhen joined the UNESCO Creative Cities Network for Design, and in 2011 it hosted the 26th World Summer Universiade.
Joint activities, contacts:
Cooperation in the field of sport.
In 2011-2012 Kazan learnt the experience of hosting the Universiade from Shenzhen.
Athletes from Shenzhen took an active part in the XXVII World Summer Universiade 2013 in Kazan.
On 14-16 October 2019, a delegation from Shenzhen University, consisting of Prof. Joshua Huang, visited the Institute of Computational Mathematics and Information Technology of Kazan Federal University (KFU IVMIT).
On 23 of September 2020, the Director of the Smart Transportation Department of the Shenzhen Transport Bureau was a participant (as a listener) in the Smart City Mayors Round Table at the KAZAN DIGITAL WEEK 2020 International Forum (online format).
On 19 of October 2020, the Vice-President of Shenzhen Green Building Association, Su Zhigang, participated in the BRICS Friendship Cities and Municipalities Forum 2020 (with a presentation) in Kazan in an online format.
Xu Qin, Mayor of Shenzhen, participated in the Mayors’ Round Table on the Evolution of Smart Cities during KAZAN DIGITAL WEEK 2021 on 21 of September.
Gu Ting, Vice President of Shenzhen People's Association for Friendship with Foreign Countries, took part in the United Cities Forum (UCF), which was held on September 7-8, 2023 in Kazan within the framework of the International Forum "SPROUTS: Russia and China - Mutually Beneficial Cooperation".
In April 2024, a student of Kazan Lyceum No. 131 Alexandra Romashova became the winner of the 58th International Mendeleev Chemistry Olympiad. The award ceremony took place in Shenzhen.
A team of chess players from the city of Shenzhen took part in the chess tournament within the framework of the II International Forum “SPROUTS: Russia and China - Mutually Beneficial Cooperation”, which was held on November 14-15, 2024 in Kazan and took 3rd place in the team competition.
On April 8, 2025, the second teleconference was held between the secondary boarding school Specialized Olympiad and Scientific Center "SOLNCE" in the Vakhitovsky district of Kazan and the experimental school of Arts and Sciences named after Ke Zhuang Group in Shenzhen, Guangdong Province.
Students of the secondary boarding school "Specialized Olympiad and Scientific Center "SOLNCE" of the Vakhitovsky district of Kazan and the experimental School of Arts and Sciences named after Ke Zhuang Group of Shenzhen, Guangdong Province held the third teleconference dedicated to the theme "I want to be friends!".
On June 11-20, 2025, a delegation from the SOLNCE School visited the Ke Zhuang School in Shenzhen to participate in the English language festival "Symphony of Civilizations, Harmony through Mutual Learning. The exchange program of Russian-Chinese twin schools".
Photo: eskisehir.bel.tr
Year of foundation: 1000 BC
Population: 887 thousand people (2019)
City area: 2,678 km2 (2020)
Time zone: GMT +3
Website: http://www.eskisehir-bld.gov.tr/
About the city:
Eskişehir is a large city in the north-west of Turkey. At the beginning of the 14th century, the city served as the third capital of the Ottoman Empire, and today it is the administrative center of the province of Eskişehir. Translated from Turkish, its name literally means «Old Town». The image of Eskişehir combines both antiquity and modernity, which only complement each other and create a harmonious picture. Its ancient Odunpazary district has become a true embodiment of centuries-old history. According to the decision of the Summit of the Heads of the Turkic-speaking states, in 2013 Eskisehir became the «Cultural capital of the Turkic World».
The city of Eskişehir has developed mechanical engineering and aircraft construction, as well as energy and metallurgical industries. The status of the scientific and educational center of Eskisehir was given by the Anatolian University, as well as the Yunus Emre Cultural Center and Osman Gazi University. The «Cultural House of Kazan Tatars» functions in the city.
Joint events, contacts:
The celebration of the Tatar national holiday Sabantuy is held in Eskisheher.
In 2013, the delegation of the Executive Committee of Kazan took part in the Days of Culture of the Republic of Tatarstan in Eskişehir, in 2014 – in the closing ceremony of the year «Eskisehir – the cultural capital of the Turkic world».
As part of the promotion of Kazan on the international tourism market in 2018, information booklets about Kazan in Turkish were developed, which were subsequently sent to the tourist centers of Eskişehir.
On September 7, 2019, a delegation from Tatarstan took part in the opening of the Museum of Modern Art in Eskisehir. During the trip, the delegation of the Republic also held a meeting with the Mayor of Eskişehir Mr. Yılmaz Büyükerşen. The parties discussed further development of cooperation between the cities.
On September 23, 2020, representatives of Eskişehir took part in the Mayors’ Round Table «Smart City» within the framework of the forum Kazan Digial Week-2020.
On July 2-6, 2023, the delegation of Eskişehir, headed by the General Secretary of the Metropolitan Municipality of Eskişehir Ayshe Unlike arrived in Kazan to participate in the Forum «Rebus 2023: Economics of construction in the historical center». The delegation also included a member of the city council and Deputy Chairman Hasan Unal, Head of Strategy, Development Department Burhan Degirmencioglu, Chief Architect of Eskişehir Serkan Kara. During the visit, the guests visited the sights of Kazan and held a number of meetings.
The Chairman of the Eskisehir administration participated online in the work of the United Cities Forum (UCF), which was held on September 7-8, 2023 in Kazan as part of the International Forum «ROSTKI: Russia and China - mutually beneficial cooperation».
On June 21-23, 2024, a delegation from Eskişehir headed by Mayor of Eskişehir Ms. Ayşe Ünlüce, visited Kazan to participate in the International Forum of the BRICS+ Cities.
On February 6-8, 2025, a delegation from Eskisehir visited Kazan to participate in the international architectural and construction forum «Kazanysh».