Barangay San Roque is one of the barangay covered by the town of Salcedo Eastern Samar which is 10 km. to Barangay Bagtong, 11.5 km. to Salcedo and 30 km. to the toiwn of Guiuan which is the central part of South in Eastern Samar.
It is bounded on the North by the Pacific Ocean, on the South by Barangay Lusod, on the East by Brgy. Asgad and on the west by Brgy. Burak.
The barangay has a total land area of 230 hectares and comprising 2% of the total land area of the municipality of Salcedo.
The land uses of the barangay as they categorized according into agricultural as their major land uses, residential as their second and third is timberland. There are four types of soil in the barangay. The rocky is composed of 40%, Aras-as is 20%, Banika is 20%, and 20% is the combination of banika and rocky.