Consider the following pairs:

Regions sometimes mentioned in news	Country
1. Catalonia	Spain
2. Crimea	Hungary
3. Mindanao	Philippines
4. Oromia	Nigeria

Which of the pair given above are correctly matched?

The correct option is 1 and 3 only.

Let us analyze each pair individually to determine if the regions are correctly matched with their respective countries:

1. Catalonia - Spain (Correctly Matched):
Catalonia is an autonomous community located in the northeastern region of Spain. It has frequently been in the news due to its political movement and referendum regarding independence from Spain.

2. Crimea - Hungary (Incorrectly Matched):
Crimea is a peninsula located along the northern coast of the Black Sea. Historically and internationally recognized as part of Ukraine, it was annexed by Russia in 2014. It is not located in Hungary.

3. Mindanao - Philippines (Correctly Matched):
Mindanao is the second-largest island in the Philippines. It has often been in news reports regarding peace processes, autonomy agreements (such as the creation of the Bangsamoro Autonomous Region), and security operations.

4. Oromia - Nigeria (Incorrectly Matched):
Oromia is the largest regional state in Ethiopia (in the Horn of Africa), inhabited primarily by the Oromo people. It is frequently mentioned in news concerning regional politics and internal conflict in Ethiopia, not Nigeria.

Based on the detailed analysis above, pairs 1 and 3 are correctly matched, making 1 and 3 only the correct choice.