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The Polish CoR delegation comprises of:

• ten full members and ten alternate members from the Association of the Voivodships of the Republic of Poland;
• three full members and three alternate members from the Association of Polish Counties;
• three full members and three alternate members from the Association of Polish Cities;
• two full members and two alternate members from the Union of Polish Metropolises;
• two full members and two alternate members from the Union of Rural Municipalities of the Republic of Poland;
• one full member and one alternate member from the Union of Small Polish Towns.

All the Polish regions have their liaison offices in Brussels.

The Association of Polish Cities and the Association of Polish Counties cooperate with the Council of European Municipalities and Regions (CEMR). Polish regions cooperate with the Assembly of European Regions (AER) and the Baltic Sea States Subregional Co-operation (BSSSC). Some Polish LRAs are members of the Congress of Local and Regional Authorities of Europe (CLRAE) and the United Cities and Local Governments association (UCLG). A total of 10 Polish Municipalities are members of the Eurocities network.