A goldfield is an area where gold has been discovered in the ground and where many people have come to mine for it. When prospectors find gold in a region, that place becomes a goldfield, attracting miners, merchants, and adventurers hoping to strike it rich.

The California Gold Rush of 1849 created some of the most famous goldfields in American history. When gold was discovered at Sutter's Mill, thousands of people rushed to California, transforming quiet valleys into bustling goldfields filled with tents, mining equipment, and people digging frantically. Similar goldfields appeared in Alaska during the Klondike Gold Rush and in Australia, South Africa, and other parts of the world.

A goldfield is an entire region where gold deposits exist, often spanning many square miles. The Witwatersrand goldfields in South Africa, for instance, stretch across many miles and have produced more gold than any other goldfield in history.

Life in goldfields was hard and uncertain. Most miners found little or no gold, while a lucky few became wealthy. The camps were often rough places with makeshift shelters and few comforts. Yet goldfields shaped history, building cities like San Francisco and Melbourne and drawing people from across the world to remote frontiers.