Jamalca is a district in the Amazonas region of northern Peru. It is one of seven districts that make up Utcubamba Province, the administrative subdivision to which it belongs.
The district lies within the inter-Andean landscape of the Utcubamba valley, a part of the Amazonas region characterized by its river valley setting and surrounding highland terrain. As a district, Jamalca functions as a local administrative unit with its own capital and surrounding rural settlements.
Jamalca is one of the smaller administrative divisions of Utcubamba Province, and its territory is defined by the boundaries it shares with the province's other districts. The district's name is shared with its principal settlement, which serves as its administrative center.