Behind
the story.

Founded around 275 BCE by Egypt’s King Ptolemy II Philadelphus and named after his mother, Berenike I, the port first received African war elephants. It grew into a meeting place for merchants from India, Arabia and Africa, enduring for roughly eight centuries before its abandonment in the sixth century CE.

A 2025 study by Steven E. Sidebotham and colleagues brings together Buddha figures, Hindu imagery and a Sanskrit–Greek dedication dated to 248 CE. Mostly made locally, these objects speak of people carrying their beliefs across the sea and making a life in a distant harbour. They belong to the Roman centuries, after the novel’s setting.

For a cargo landed at Berenike, the sea crossing was only part of the journey. The caravan road to Edfu on the Nile ran from one watering station to the next. The Greeks called these stops hydreumata. At Abbad, water tickets survive from an expedition sent to collect elephants. At al-Kanais, a Ptolemaic inscription names the watering place beside the sanctuary of Pan.

At Bir ʿIayyan, a distance stone dated to 257 BCE measured the journey from the Nile. Bir Samut’s garrison left around 206 BCE, long before Ippalai’s journey. Farther north, another road led from Myos Hormos to Coptos. Under Rome, Coptos also received caravans from Berenike. There the cargo could travel on by boat.

Ilmidar, the island of the novel, is modelled on Abd al Kuri, west of the much larger Socotra. A storm strands Ippalai here, far from the green abundance of home. For Ippalai, five years on the island become an ordeal of survival that changes his faith, his understanding of the world and the man he will become.

On Socotra itself, Hoq Cave preserves sailors’ graffiti: names, drawings and traces of belief left by travellers from India and other shores. Studied by Ingo Strauch and colleagues, many inscriptions record visitors of the second to fifth centuries CE, later than the novel’s voyage. These are rare glimpses of individual lives behind the history of maritime trade.

In the novel, Valluvan’s memory of Hoq offers the castaways a brief hope of recognition. Ippalai’s later visit carries a promise and the memory of his friend into that darkness. The cave becomes a place where a sailor can leave something of himself behind.