ҷануб

Ман дар деҳаи Қаротоғ, ки дар ҷануби Тоҷикистон воқеъ аст, ба дунё омадаам.
I was born in the village of Karatog, which is located in the south of Tajikistan.
Писта дар қисматҳои ҷанубу ғарби ҷумҳурӣ парвариш меёбад.
Pistachios are grown in the south and west parts of the country.

Bonus:
To make this word into an adjective add the suffix ӣ.
ҷанубӣ: southern
Example: сарҳади ҷанубӣ (southern border)
It is also used in that form for countries.
Examples: Америкои Ҷанубӣ: (South America), Кореяи Ҷанубӣ (South Korea), Африкаи Ҷанубӣ (South Africa)

шимол: north
ғарб: west
шарқ: east