26°08′59″N 88°45′43″E / 26.14973888°N 88.76195555°E
Dahala Khagrabari (#51) (Bengali: দাহালা খাগড়াবাড়ী (#৫১)) was an Indian enclave located on the Bangladesh–India border belonging to the district of Cooch Behar in the state of West Bengal. This was a piece of India within a piece of Bangladesh within a piece of India within Bangladesh, making it the only third-order enclave (or counter-counter enclave) in the world until 1 August 2015, when it was ceded to Bangladesh.
At 7,000 square metres (1.7 acres)— approximately the size of a soccer field— it was one of the smallest of the India–Bangladesh enclaves: 106 Indian exclaves inside Bangladesh and 92 Bangladeshi exclaves inside India.