Alamo (/ˈæləmoʊ/ AL-ə-moh), located in the Rio Grande Valley in what is nicknamed the "Land of Two Summers", is a city in the irrigated area of southern Hidalgo County, Texas, United States.

Known as the "Refuge to the Valley", it is located in an area of abundant vegetable farming and citrus groves, and is a noted winter resort/retirement town near the Mexico–U.S.

According to the United States Census Bureau, Alamo has a total area of 7.1 square miles (18.4 km2), all land.

[11] The current Chief of Police is Richard Ozuna, a former Captain at the Hidalgo County Sheriff's Office.

[12] The United States Postal Service operates the Alamo Post Office.

Idea Public School District enrolls local students in any of a variety of area campuses in located in Alamo, San Juan, Pharr, Donna, and Edinburg.

Sergeant Fernando de la Rosa Memorial Library is located in Alamo.

[19] The library is named after United States Army Sergeant Fernando "Nando" De La Rosa, who died during a roadside bomb explosion on October 27, 2009, in the Arghandab River Valley in Afghanistan.