Tagbacan is an interior barangay of Salcedo. It is located 12.7 kilometers west of the town proper of Salcedo, 28.7 kilometers from the town proper of Guiuan, and 60.8 kilometers south east of Borongan City (the capital City of E. Samar).
The provincial road passes through the barangay from other interior barangays to Brgy. Casilion where in buses from Manila, Tacloban and Borongan, public utility vehicle such as jeepneys, vans, tricycles and trucks are available during daytime, early morning and night.
Brgy. Tagbacan is accessible by any land transportation vehicles.