ADEN

the immense volume of the trade at Aden and the enormity of the customs it generated will be evident from the fact that, in 1411, the port dues of Aden stood at 1,470,000 dinars, as per the calculations of Sergeant. that Indian merchants (baniyans in Arabic texts) regularly frequented this port becomes evident from the mention of a specific quarter in Aden for Indian merchants.

Merchants, Merchandise and Merchantmen in the Western Sea-board of India (c. 500 BCE--1500CE)', in Om Prakash ed., Trading World of the Indian Ocean, 1500-1800, new Delhi, 2012 Location 752-754

Aden was a port of call for British steamships from Bombay to Europe through the Suez Canal after 1870's, as well as Eastern Africa. Many Khojas were persuaded to stay in Aden to work for Khoja and Indian merchants whilst waiting to go make their way to East Africa.

See Ratansi Alwani