Negros Occidental occupies the western half of Negros Island in the Western Visayas. It is the sugar capital of the Philippines — the province that produces the majority of the country's sugarcane and refined sugar, and whose economy, social structure, and political history have been shaped by this single crop for nearly two centuries. Bacolod City, the regional center, is known as the City of Smiles and hosts the MassKara Festival — one of the most celebrated provincial festivals in the Philippines.
The province is among the most economically developed in the Visayas. Bacolod City has a well-established middle class, a strong university sector, and a food culture that draws visitors from across the country. The hacienda system — vast sugar estates worked by tenant farmers and seasonal laborers — has defined the province's social geography since the 19th century, creating a distinct class divide that remains visible today.
Negros Occidental produces approximately 60–70% of the Philippines' total sugar output. The province's flat coastal plain and fertile volcanic soil create near-ideal conditions for sugarcane cultivation. At peak production, the province had more miles of narrow-gauge railway connecting haciendas to sugar mills (centrals) than any comparable area in Southeast Asia.
Beyond sugar, the province has a significant fishing industry, a growing BPO sector in Bacolod, and a tourism economy built around food, heritage architecture, and the MassKara Festival each October.