Riau Postal Codes: 28111 to 29569

Key Facts

Riau is a province of Indonesia located on the central eastern coast of Sumatra island. Situated along the Strait of Malacca, Riau occupies a strategic position in northwestern Indonesia and serves as an important economic and cultural hub for the region. The province covers approximately 87,023 square kilometers of territory, making it one of the larger provinces in Sumatra, with a population of around 6.5 million people as of recent estimates. Riau is administratively divided into 10 regencies and 2 cities, with Pekanbaru serving as the provincial capital and largest urban center. The province features diverse geography ranging from coastal lowlands along the Malacca Strait to inland forests and river systems, most notably the Siak River which flows through the heart of the region. Riau's economy is heavily dependent on natural resources, particularly petroleum and natural gas extraction, palm oil production, and forestry. The province also maintains strong cultural ties to the Malay heritage that dominates the region. For those seeking detailed postal code information and administrative data for Riau's various municipalities and districts, comprehensive resources are available to help navigate the province's diverse sub-regions.

Neighboring Regions

• North Sumatra
• West Sumatra
• Jambi
• Riau Islands