Here's the breakdown:
* Chiapas is the name of the state.
* -eca is a suffix often used to denote someone or something from a particular place.
* -s is a plural ending.
Pronunciation:
The pronunciation of "Chiapanecas" is approximately:
* chee-ah-pah-NEH-kahs
Emphasis:
The emphasis is placed on the second syllable of "Chiapanecas," on the "NEH" sound.
Other points:
* The "ch" sound is similar to the "ch" in the English word "chair."
* The "a" sound is similar to the "a" in the English word "father."
* The "e" sound is similar to the "e" in the English word "bet."
Note: The exact pronunciation might vary slightly depending on the speaker's regional accent.