Barangay Jagnaya is an interior barangay of Salcedo located 5.5 kilometers west of the town proper of Salcedo, 22 kilometers from the town proper of Guiuan, and 54 kilometers south east of Borongan City, the capital of the Province of Eastern Samar. It is bounded on the North by Brgy. Asgad, on the East by the rock mountain called _, on the west by the Pacific Ocean and on the south by Brgy. Alog.
Barangay jagnaya is accessible by land through the National highway in Brgy. Bagtong which connects the Provincial road going to the barangay. Public Utility vehicles such as Public Utility Jeepneys (PUJs) and single motorcycle are the primary means of transportation in the area.
The barangay has a flat and hilly terrain and the climatic condition prevailing in the ARC is Type II. Practically, this is true to whole Samar Island. Type II climate is characterized by no pronounced wet and dry season. Precipitation occurs throughout the year. However, maximum rain periods occur from November to January, while least rainfall is experienced from May to August.