Abadan, Iran

Capital City

Living in one of Earth's most punishingly hot cities isn't for the faint-hearted – summer temperatures regularly soar past 45°C (113°F), with historical highs reaching a blistering 53°C (127.4°F). This strategic Iranian port city of 231,476 residents has weathered dramatic upheavals, from being home to the world's largest oil refinery in the 1930s to near-total evacuation during the Iran-Iraq War.

Once a crown jewel of Iran's petroleum industry, Abadan's fortunes have risen and fallen with its massive refinery complex. After suffering severe damage during the 1980-88 war when its population dwindled to just 6 people, the city has gradually rebuilt. The refinery now operates at pre-war capacity, though labor disputes over unpaid wages persist. While the city participates in the Arvand Free Zone to attract international investment, particularly from East Asian countries, it remains primarily an industrial center rather than a cultural hub.

Today's Abadan maintains its identity as a working refinery town, with most white-collar jobs still going to non-locals. The city's infrastructure includes an international airport, medical university, and engineering schools tied to the petroleum industry. Despite the brutal summer climate, commerce continues, particularly at the city's bustling fish market where locals source fresh seafood – a rare bright spot in an otherwise industrially-focused economy.