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| | Territorial Reviews, Vienna-Bratislava, Austria/Slovak Republic ANNEX (Site not responding. Last check: ) |
 | | Liège-Maastricht-Aachen (commonly known as the Meuse-Rhine Euregion) is a European territory composed of regions belonging to Belgium, the Netherlands and Germany, respectively. |
 | | Frankfurt (Oder), on Germany’s eastern border, and Slubice, on Poland’s western border, create a cross-border region of “twin cities”. |
 | | The final comparison region includes territories of San Diego, California and Tijuana, Baja California, and is located on the US-Mexico border. |
| www.oecd.org /LongAbstract/0,2546,en_2649_201185_19209309_1_1_1_1,00.html (130 words) |
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