Questions & Answers about Gdzie pani ma dom?
Why does this sentence use ma instead of masz if we are asking "you"?
In Polish, formal conversations use pani (madam) or pan (sir) paired with the third-person singular verb. So instead of using the informal masz (you have), we use ma (he/she has). You are literally asking, "Where does madam have a house?"
Why does the Polish sentence use the verb for "have" (ma) instead of "is"?
It is just a common difference in phrasing. While English speakers ask "Where is your house?", Polish speakers often ask "Where do you have a house?". The meaning is exactly the same.
Is dom in its basic dictionary form here?
It looks like it, but it is actually in the Accusative case because it is the direct object (the thing being "had"). Luckily, for non-living masculine nouns like dom (house), the Accusative form is exactly the same as the basic dictionary form.
Could I change the word order and say Gdzie ma pani dom?
Yes, you can. Polish word order is quite flexible. Both Gdzie pani ma dom? and Gdzie ma pani dom? are perfectly correct and natural.