Old name of the municipality of La Unión de Isidoro Montes de Oca, in Mexico. It was also called Zither and now in a simple way "The Union". It belongs to the State of Guerrero and is coast with the Pacific Ocean Name of a beach and a Punta on this coast. As it is located at the mouth of the Balsas River (or Mezcala), a part of its territory also belongs to the State of Michoacán. Today it is an important archaeological center.
