La Unión de Isidoro Montes de Oca

La Unión de Isidoro Montes de Oca
Beach at Petacalco, in the municipality of La Unión de Isidoro Montes de Oca
Municipality of La Unión de Isidoro Montes de Oca in Guerrero
La Unión de Isidoro Montes de Oca
Location in Mexico
Coordinates: 18°33′N 101°27′W / 18.550°N 101.450°W / 18.550; -101.450
Country Mexico
StateGuerrero
Municipal seatLa Unión
Named afterIsidoro Montes de Oca
Area
  Total
1,142 km2 (441 sq mi)
Population
 (2005)
  Total
25,230

La Unión de Isidoro Montes de Oca is a municipality in the Mexican state of Guerrero and is the westernmost municipality in Guerrero. The municipal seat lies at La Unión. The municipality covers an area of 1,142 km2 (441 sq mi).

As of 2005, the municipality had a total population of 25,230.

The main towns are La Unión, population 3,079; Petacalco, population 2,671; Zacatula, population 1,417; Lagunillas, population 1,371; El Naranjito, population 1,167; and Surcua, population 1,046.