The work is an interdisciplinary study on the role of the National Equality Bodies (GBS) and the European Network of GBS in Europe. It provides information about the connection between the networking of the GBS and Europeanization in the area of ??promoting equality. Developing a common approach to promoting equality in the EU can be done in two ways – through legal harmonization and Europeanisation. With the help of the investigation of the Baltic Sea region it can be shown that the national GBS and their networking can lead to Europeanization in the promotion of equality. The research contributes to filling an important gap in the scientific debate on GBS and advances the debate on policy networks in the EU. In addition, it is proven