Sesayap is a district located within the Tana Tidung Regency in the Indonesian province of North Kalimantan. It serves as a significant administrative area for the region, housing the regency seat.
The town of Tideng Pale, which functions as the capital of Tana Tidung Regency, is situated within Sesayap District. As of mid-2024, approximately 12,364 residents lived in this specific area, accounting for a substantial portion of the regency's total population.