Boom is a Belgian town situated within the arrondissement and province of Antwerp in Belgium. It lies geographically between the major cities of Brussels, Antwerp, and Ghent, positioned along the banks of the Rupel river. This strategic location places it in the heart of the Flemish region, serving as a distinct municipal entity with its own local governance and community identity.

The recorded history of this community began in the late 1300s, marking the start of its documented existence. During the 19th century, the town experienced a significant population boom that shaped its demographic growth. Historically, the area is also noted for the veneration of a statue dedicated to Our Lady of Boom, which holds religious significance for the local residents.

The town's character is defined by its industrial heritage and cultural landmarks. The presence of clay deposits around Boom has led to a landscape dotted with many clay pits and brick factories, reflecting the region's economic history. Additionally, the town is home to De Schorre, a notable site that hosts various events and serves as a central gathering point for the community.

Culturally, Boom is internationally recognized for hosting Tomorrowland, an annual electronic dance music event that has drawn nearly two million attendees since its launch in 2005. The town also celebrates Feria Andaluza, a Spanish festival held in De Schorre. These events highlight the town's appeal as a destination for music and cultural exchange, attracting visitors from around the globe.

As of 2025, Boom has a population of 19,699 residents, who are known as Boomenaren. The local economy has historically been supported by its clay industry, while today it benefits from tourism driven by major festivals. The town experiences an oceanic climate, classified as Cfb under the Köppen system, providing mild weather conditions throughout the year for its inhabitants and visitors.