Mutually beneficial relations between Mykolaiv and cites of Bulgaria, Georgia, Turkey, Italy, France and other states are confirmed by the cooperational agreements. In the frames of these agreements joint projects, which are beneficial for Mykolaiv and Ukraine in general are realized.
 | Batumi Georgia July, 1995 |  |
 | Trieste Italy February, 28, 1996 |  |
 | Bursa Turkey January, 21, 2001 |  |
Tianjin People’s Republic of China August 28, 2001 |  | |
 | Galați Romania October 23, 2003 www.primariagalati.ro |  |
 | Pleven Bulgaria April, 22, 2005 |  |
 | Borzhomi Georgia December, 25, 2006 |  |
Dezhou People’s Republic of China August 12, 2009 |  | |
Tinos Island Greece March, 13, 2012 |  | |
 | Kutaisi Georgia May, 2, 2012 |  |
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Zhoushan People’s Republic of China September23, 2016 |  | |
Weihai People’s Republic of China September 13, 2019
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 | Burgas Bulgaria May 3, 2022 |  |
 | Hanover Germany September 15, 2022 |  |
 | Chełm Poland October 15, 2022 |  |
 | Bedburg Germany November 2, 2022 |  |
 | Saint Helier the Bailiwick of Jersey, the British Islands March 23, 2023 |  |
 | Kristiansand Norway May 5, 2023 |  |
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Aalborg Denmark May 26, 2023
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 | Durrës Albania September 12, 2023 |  |
| Glasgow United Kingdom of Great Britain and Northern Ireland February 6, 2024 |  |
UPDATED 13.03.2024