Ya d'ar brezhoneg

Efforts are underway in the region to revive the language, which is classified by UNESCO as endangered.

With the first phase of Ya d'ar brezhoneg, started on 5 October 2001, the office worked to promote the use of the Breton language within civil society.

The office would certify businesses, social services and non-governmental organizations at three levels:[2] By 2006 the charter had gained signed agreement by 579 businesses, social services and non-governmental organizations to support the use of Breton in their operations.

[3] In the second phase, started on 22 December 2004, Ya d'ar brezhoneg added a charter for local authorities in Brittany.

The charter for local authorities is organized into four levels, each with an increasing number of requirements.

Map of the participating municipalities in Finistère (2019).
Level 1 convention
Level 2 convention
Level 3 convention
Level 4 convention
Intercommunity conventionned town