The country that matches these properties is Afghanistan 🇦🇫
- Without the clue "Its flag contains black", other countries are: India, China, Iran, and 9 more
- Without the clue "Has an area greater than 500,000 km²", other countries are: Syria, Yemen, Turkmenistan, and 10 more
- Without the clue "Is in continent: Asia", other countries are: South Sudan, South Africa, Botswana, and 11 more