[3] This coastal town has 11,007 hectares of land and lies 36 kilometres (22 mi) south of the concurrent regional center of Eastern Visayas and the administrative capital of provincial government of Leyte, Tacloban.

In 1954, the barrios of Mayorga, Andres Bonifacio, Talisay, San Roque, Burgos, Liberty, Union, Ormocay, Wilson, and the southern portion of barrio of Cogon Bingcay was separated to form the town of Mayorga, Leyte.

Other etymological versions explaining how Dulag got its name includes "dulao" (the medical herb turmeric, Curcuma longa),"nagdudulag" (bones of wild animals scattered by hunters; scattered settlers), and "dalag" (vernacular term for catfish, Ictalutus punctatus, thriving along Candao River).

The first was that in the early years of the 18th century, the town was already a flourishing community, the center of trade and commerce in eastern Leyte.

Another version states that it is the etymological variation of a certain herb called "dulao" which grew abundantly in the area.

Dulao is a kind of plant which is yellowish-green in color used as a food seasoning for a local dish.

Juan del Campo, first coaxed the natives to settle within the limits of the sitio instead of living far from each other.

Using the crudest of materials, the boys learned the Spanish language and helped serve as interpreters to the missionaries on their missions.

The burden of supporting the boys began to tell on the resources of the padres but periodic allowances from the encomendero permitted them to continue with their studies.

Years of peace were suddenly broken when on October 29, 1603, Moro raiders ravaged the town.

Some of the precious possessions of the church were fortunately evacuated before the Moros finally landed on the shores of Dulag.

Bolisan, the Moro leader sailed away to Surigao after 700 captives and rich loot had safely been stored in the holds of their vintas.

As if to climax the lean years, the Moros returned in 1613, destroyed the church and town, burned the harvest and carried of men, women and children to be sold as slaves.

He was responsible for the ornamentation of the church altar and the construction of lookout towers of the hills of Calbasag and Mount Laberanan in San Jose.

Both were solid edifices of brick which served as places of refuge during subsequent attacks by the Moros.

He was tactful, so many lives were spared but he died during the early days of the liberation during an American bombing raid.

The landing of the American forces, which took place from October 17 to 20, 1944 took a heavy toll on the Municipality's townspeople.

Slowly, the people returned to the town and under the leadership of Mayor Nicolas Bautista, Dulag was rebuilt.

From Tacloban City, one can reach Dulag by land traversing the 36 kilometres (22 mi) route via the Maharlika Highway.

Among these are Barangays Barbo, Alegre, Fatima, Salvacion; Districts of Combis, Market Site and Cambula, and the elementary school therewith, though there is no definite pattern of occurrence.

Being the foremost basic need of man, the absence of clean and sanitary pipe water system throughout the locality is a big problem.

Based from the 2006 Barangay Profile Survey data, the total dependents of the municipality represented about 17,761 while the working group is 26,382.

Smaller religious groups such as Members Church of God International, popularly known as Ang Dating Daan, Iglesia ni Cristo, Dulag Christian Bible Church (Non-Denominational, Born Again, Christian), Born Again, Baptist, Jehovah's Witnesses, UCCP, etc.

The barangay plays a pivotal role as the planning and implementing unit of government policies, programs and activities.

As mandated by the 1991 Local Government Code of the Philippines authored by Sen. Aquilino Pimentel Jr., the Mayor has the power to: Next in the line of succession in the Municipal Government is the Pangalawang Punong-bayan/Bise-Alkade (Vice Mayor) who is concurrently the presiding officer of the Sangguniang Bayan (Municipal Council).

It is the Municipal Vice Mayor who serves as its presiding officer, and may only vote to "break the tie" should there be a stalemate during floor deliberations.

Although the council's powers are basically legislative in nature, they may exercise certain quasi-judicial functions, especially on matters requiring thorough investigation and fact-finding procedures.

Provincial officials have greater scope of authority as they govern on the interest of the constituents within the province.

World War II veterans who witnessed on October 20, 1944, the landing of Gen. Douglas MacArthur during the Battle of Leyte Gulf.

Veterans claim that the General did not land in Palo, Leyte as history books have stated.