You live in the northern part of your country, don't you?
You live north of the capital.
ーYou live in the northern part of your country, don't you?
「国の北の方に住んでいるんですね」
northern part of ... で「…の北の方」と言えます。
ーYou live north of the capital.
「首都の北に住んでいるんですね」
north of the capital で「首都の北」
ご参考まで!