This is the 10041st most frequent Korean word.
공주시도
"공주시도" refers to "Princess City Map" in English.
In this sentence, '공주시도' refers to Gongju City in the context of also sharing the feature of having cultural heritage sites.
공주시도 문화재가 많습니다.
Gongju City also has many cultural heritage sites.
Here, '공주시도' is used with emphasis on '도' to inquire if someone has been to Gongju City as well.
공주시도 가봤어요?
Have you also been to Gongju City?
In this case, '공주시도' connects Gongju City with curiosity about its history, emphasizing 'too'.