![SLIVEN](https://www.apulum.ro/images/uploads/orase/Sliven.png)
Bulgaria
Web site: http://bulgaria.domino.bg/sliven
The municipalities of Alba Iulia and Sliven were partners in the ECOS OUVERTURE Program - AQUA Fil Project financed by the European Commission.
The two cities have achieved various cultural exchanges thanks to this partnership.
Sliven twinned with Alba Iulia in 2002.