Lavezares has a land area of , with a topography that is generally characterized by very rugged terrain with many steep and elevated areas classified as undulating to hilly. Technically, there are only two hills in the area, these are located in the southernmost part of Barangays Chansvilla and Toog. No mountain can be found in the area. There are also no major plains but a few flat lands that not very extensive. The coastal areas of Lavezares are limited and have generally moderately terrain. Bacolods which serve as natural
breakwater on different coasts of the municipality can be found along the coasts of Barangays Balicuatro, Villa, Bani and Magsaysay among others. They are protected as part of the
Biri Larosa Protected Landscape and Seascape. Land reclamation in different parts of the municipality particularly in island barangays of San Juan, San Isdro, Magsaysay and Bani is continuously being done. The coastal barangays along the mainland are similarly reclaiming lands which include the coasts of Barangays Libas, Cataogan, Sabang-Tabok, Urdaneta and Barobaybay.
Climate {{Weather box
Barangays Lavezares is politically subdivided into 26
barangays. Each barangay consists of
puroks and some have
sitios. 12 of which are considered as inland barangays and 14 coastal barangays, which can be subclassified into 5 island barangays and 9 barangays situated along the coast of the mainland. Inland barangays: Coastal barangays: The smallest barangay is Cataogan, while the largest is Bani. According to the Provincial Physical Framework Plan of 2004–2013, the municipality is suitable for irrigated rice,
fish ponds, trees and crops. The mainland is attached entirely to the entire
Samar Island. Maravilla Island, San Juan Island and Bani Island are the three major islands of the municipality. ==Demographics==