16. Dahala Khagrabari (Historic: India in Bangladesh in India in Bangladesh)
Dahala Khagrabari once held the title of the world’s only third-order enclave—an Indian enclave inside a Bangladeshi enclave, itself inside an Indian enclave, all surrounded by Bangladesh. This almost surreal geographic curiosity resulted from centuries of piecemeal treaties and local land disputes. Though the enclave was dissolved in 2015 during the India-Bangladesh land swap, Dahala Khagrabari remains a powerful example of the bizarre complexities that can emerge when borders are drawn without regard for logic or local realities.
