Constitution of the Republic of Croatia

Country
Croatia

Article 10
The Republic of Croatia shall safeguard the rights and interests of its citizens living or
residing abroad, and shall promote their ties to their homeland.
The Republic of Croatia shall guarantee particular care and protection to those portions of the Croatian nation in other countries.

Article 146
Citizens of the Republic of Croatia shall be European Union citizens and shall enjoy the rights guaranteed by the European Union acquis communautaire, and in particular:
(...)
– the right to the diplomatic and consular protection of any Member State which is equal to the protection provided to own citizens when present in a third country where the Republic of
Croatia has no diplomatic-consular representation,
(...)
All rights shall be exercised in compliance with the conditions and limitations laid down in the founding treaties of the European Union and the measures undertaken pursuant to such treaties.
In the Republic of Croatia, all rights guaranteed by the European Union acquis
communautaire shall be enjoyed by all citizens of the European Union.