The ugliest of all borders must have been Dahala Khagrabari at the border between India and Bangladesh. It was the only third order enclave until India ceded th

The ugliest of all borders must have been Dahala Khagrabari at the border between India and Bangladesh. It was the only third order enclave until India ceded the tiny piece of land to Bangladesh in 2015: https://en.wikipedia.org/wiki/Dahala_Khagrabari https://en.wikipedia.org/wiki/Dahala_Khagrabari It was a piece of India within Bangladesh, within India, within Bangladesh - which itself would be enclaved within India if not for a small border with Myanmar.