Kastamonu Subregion Kastamonu Alt Bölgesi
Subregion
Country	Turkey
Region	West Black Sea
Area
• Subregion	26,358 km2 (10,177 sq mi)
Population  (2013)
• Subregion	763,570
• Rank	26th
• Density	29/km2 (75/sq mi)
• Urban	436,385
• Rural	327,185

The Kastamonu Subregion (Turkish: Kastamonu Alt Bölgesi) (TR82) is a statistical subregion in Turkey.

• Kastamonu Province (TR821)
• Çankırı Province (TR822)
• Sinop Province (TR823)

• NUTS of Turkey

• TURKSTAT (in English)

• ESPON Database