Constitution of the Republic of Poland

Land
Poland

Article 27 Polish shall be the official language in the Republic of Poland. This provision shall not infringe upon national minority rights resulting from ratified international agreements.Article 35.1. The Republic of Poland shall ensure Polish citizens belonging to national or ethnic minorities the freedom to maintain and develop their own language, to maintain customs and traditions, and to develop their own culture.2. National and ethnic minorities shall have the right to establish educational and cultural institutions, institutions designed to protect religious identity, as well as to participate in the resolution of matters connected with their cultural identity.