Surigao Strait is a strait in the southern Philippines, between the Bohol Sea and Leyte Gulf of the Philippine Sea.

Eastern Visayas is an administrative region in the Philippines, designated as Region VIII. It consists of three main islands, Samar, Leyte and Biliran. The region has six provinces, one independent city and one highly urbanized city namely, Biliran, Leyte, Northern Samar, Samar, Eastern Samar, Southern Leyte, Ormoc and Tacloban. The highly urbanized city of Tacloban is the sole regional center. These provinces and cities occupy the easternmost islands of the Visayas group of islands.