When deciding between "saber" and "conocer" in Spanish, it is important to understand the context in which each verb is used.
- "Saber" is used to express knowledge of facts, information, or how to do something.
- "Conocer" is used to express familiarity with people, places, or things.
Given the sentence: "Do you know where the airport is?", the word "know" refers to having information about the location of the airport, which is a factual piece of information.
Therefore, the correct word in Spanish is:
- saber