Final answer:
The appropriate word to fill in the blank is 'está'.
Step-by-step explanation:
In the given sentence, the appropriate word to fill in the blank is está. The verb estar is used to indicate a temporary state or location, which fits the context of the sentence where Acapulco is mentioned as a location in Mexico. While es is the equivalent of the verb to be and generally used for permanent states or characteristics, the temporary location is better described with está.
Learn more about Spanish