Question for September 5, 2011

Connect the following:

• Cooch-Behar (India) – Bangladesh
• Baarle Nassau (The Netherlands) – Belgium
• Nahwa (UAE) – Madha (Oman)
• Puducherry (India) – Tamil Nadu, Kerala, Andhra Pradesh (all India)
• Liberty Island, Ellis Island (New York, USA) – New Jersey (USA)
• Dadra (Dadra and Nagar Haveli, India) – Gujarat (India)

Obviously, the list is not exhaustive. However, there is something special about the first three entries in the list. Bonus points for identifying it.