[2] In 1441 following the fall of Mayapan, the area fell within the provinces of Ceh Pech and after the conquest became part of the encomienda system.

During the conquest, the batab (chief), Ah-Op-Pech, was baptized and took the name Ambrosio Pech, simultaneously being appointed as governor.

In 1912, San Antonio Tzutzá and its annex "Yaxnic" are joined with Baca municipality.

Minor communities are Unidad de Riego Boxactún, Rancho Kiiché, Hacienda Kuxúb, San Carlos, San José Novelo, Santa Cruz Collí, Santa María and Santo Domingo.

The three major population areas are shown below:[2] Every year from 1 to 3 May, Baca holds a fiesta in honor of the Holy Cross.