Archaeological evidence indicates that the area around Bârlad has been continuously inhabited since the Neolithic period, with traces of Dacian settlements and Roman influence also discovered.

The town of Bârlad, believed to derive its name from the Bârlad River, was first officially documented in Moldavian charters in the mid-14th century, marking its early medieval importance.

During the medieval period, Bârlad served as a significant princely residence and a flourishing market town within the Principality of Moldavia, especially noted in the 16th century.

Bârlad played a key strategic role due to its location on important trade routes, experiencing growth as a regional administrative and commercial hub throughout the 18th and 19th centuries.

The development of the railway network in the late 19th century, connecting Bârlad to major cities like Iași and Bucharest, significantly boosted its economic prosperity and regional connectivity.

Geographically, Bârlad is situated in the southeastern part of Romania, within the historical region of Moldavia, nestled in the fertile valley of the Bârlad River, a major tributary of the Siret.

The town is located on the Bârlad Plateau, a sub-unit of the Moldavian Plateau, characterized by a predominantly hilly landscape and an agricultural plain formed by the river’s alluvial deposits.

Bârlad's population peaked in the late 20th century, reaching over 70,000 inhabitants, but has experienced a gradual decline in recent decades, currently stabilizing at approximately 55,000 residents.

The demographic composition of Bârlad is predominantly Romanian, with a smaller but historically present population of Roma, along with a few other minor ethnic groups.

Historically, Bârlad's economy was robustly industrial, with textile manufacturing, particularly wool processing, alongside mechanical engineering and food processing, being its primary sectors during the communist era.

Today, the economy of Bârlad is characterized by a mix of agriculture, light industry, particularly furniture and food processing, and a growing service sector, adapting to post-industrial challenges.

The "Vasile Pârvan" Museum is a cornerstone of Bârlad’s cultural life, housing extensive collections spanning archaeology, history, ethnography, and fine arts, reflecting the region's rich heritage.

Among Bârlad's significant architectural landmarks are the "Sfântul Gheorghe" Church, an 18th-century edifice with notable frescoes, and several well-preserved 19th-century mansions showcasing local urban design.

The annual "Zilele Bârladului" (Bârlad Days) festival is a prominent cultural event, celebrating local traditions, arts, and community life with concerts, exhibitions, and traditional fairs.

Bârlad is renowned as the birthplace of several influential Romanian personalities, including the acclaimed art historian Vasile Pârvan and the celebrated writer Alexandru Vlahuță, contributing significantly to national culture and science.